Published October 14, 2025 by Michael Le Pard , Editor‑in‑Chief
The Complete Motorcycle Compendium
– G –
2003 Ghezzi and Brian Super Twin 1100
Gambler (United States) [Defunct – Harley Clones]
Gambler Motorcycles
Years Active: 1990s–2000s
Notable Models: Gambler Custom V‑twins
Gambler was an American custom motorcycle builder producing Harley‑Davidson clones and chopper‑style cruisers.
Their bikes were often based on aftermarket Harley engines and frames, marketed to riders seeking custom looks without full one‑off builds.
The company faded as the custom chopper boom declined in the 2000s.
💡 Did You Know? Gambler motorcycles were frequently sold as kit bikes, allowing owners to assemble them at home.
Garelli (Italy) [Active – Scooters & Small Bikes]
Garelli Motorcycles
Years Active: 1913–1992, revived 2019–present
Notable Models: Garelli Mosquito, Garelli Tiger Cross
Garelli is an Italian manufacturer famous for mopeds, scooters, and small‑displacement motorcycles.
Founded in 1913, Garelli became a household name in Europe during the 1950s–1980s, especially for its lightweight mopeds.
The brand was revived in the 2010s with electric scooters and modern commuter bikes.
💡 Did You Know? Garelli won six consecutive 125cc World Championships in Grand Prix racing (1982–1987).
Gazelle (Netherlands) [Defunct – Bicycle Maker]
Gazelle Motorcycles
Years Active: 1950–1975
Notable Models: Gazelle Mopeds
Gazelle was a Dutch bicycle manufacturer that also produced mopeds and small motorcycles in the mid‑20th century.
Their machines were affordable and widely used for commuting.
Gazelle eventually returned to focusing solely on bicycles, where it remains one of the Netherlands’ most famous brands.
💡 Did You Know? Gazelle is still one of the largest bicycle manufacturers in the Netherlands today.
GD (Italy) [Defunct]
GD Motorcycles
Years Active: 1923–1942
Notable Models: GD 250cc
GD was an Italian motorcycle manufacturer founded in Bologna by Ghirardi and Dallolio.
They produced lightweight motorcycles until 1942, when the company was taken over and shifted to producing packaging machinery.
GD motorcycles are now rare collector’s items.
💡 Did You Know? GD’s factory was later repurposed into one of Italy’s largest packaging equipment companies.
Gearless (United States) [Defunct – Early Pioneer]
Gearless Motorcycle Co.
Years Active: 1905–1906
Notable Models: Gearless Shaft Drive
Gearless was an early American motorcycle company notable for its shaft drive and variable friction transmission.
This was highly innovative for the time, but the company lasted only a year before disappearing.
Surviving examples are extremely rare and valuable.
💡 Did You Know? Gearless motorcycles were among the first to experiment with automatic‑style transmissions.
Geco‑Herstal (Belgium) [Defunct – FN Connection]
Geco‑Herstal Motorcycles
Years Active: 1920s–1930s
Notable Models: Geco 250cc
Geco‑Herstal was a Belgian motorcycle manufacturer based in Herstal, near Liège, the same industrial hub as FN.
Their lightweight motorcycles were commuter‑oriented, often using proprietary engines.
The brand disappeared before WWII, overshadowed by larger Belgian makers like FN and Saroléa.
💡 Did You Know? Herstal was once home to multiple motorcycle firms, making it Belgium’s equivalent of Birmingham in the UK.
Geer (United States) [Defunct – Early Pioneer]
Geer Motorcycles
Years Active: 1902–1904
Notable Models: Geer Single
Geer was one of the earliest American motorcycle builders, active in the first years of the 20th century.
Their machines were bicycle‑derived with clip‑on engines, typical of the pioneering era.
Geer disappeared quickly, leaving behind very few surviving examples.
💡 Did You Know? Geer motorcycles were exhibited at some of the earliest U.S. motor shows in 1903.
Gemini (Taiwan/United States) [Defunct – Mini Bikes]
Gemini Motorcycles
Years Active: 1960s–1970s
Notable Models: Gemini SST 50, Gemini Boss 80
Gemini was a Taiwanese manufacturer that exported minibikes and small motorcycles to the U.S. during the 1960s–70s.
Their machines were affordable and popular with young riders, competing with Honda’s minibikes.
Gemini faded as Japanese brands dominated the small‑bike market.
💡 Did You Know? Gemini minibikes were often sold through Sears and Montgomery Ward catalogs in the U.S.
Geneva (Switzerland) [Defunct]
Geneva Motorcycles
Years Active: 1920s
Notable Models: Geneva 250cc
Geneva was a Swiss motorcycle manufacturer producing lightweight commuter bikes in the 1920s.
Their machines were regionally distributed and rarely exported.
The brand disappeared quickly, leaving behind little documentation.
💡 Did You Know? Geneva motorcycles were sometimes assembled from imported German and French components.
Gerhart (United States) [Defunct – Prototype]
Gerhart Motorcycles
Years Active: 1900s
Notable Models: Gerhart Prototype
Gerhart was an experimental American motorcycle builder in the early 1900s.
Their machines were prototypes and small‑batch builds, part of the pioneering era of U.S. motorcycling.
Very little is known about the company, and no production models are believed to have survived.
💡 Did You Know? Gerhart motorcycles were exhibited at regional fairs in the Midwest.
Gerkinet (Belgium) [Defunct]
Gerkinet Motorcycles
Years Active: 1920s–1930s
Notable Models: Gerkinet 175cc
Gerkinet was a Belgian motorcycle manufacturer producing lightweight commuter bikes.
Their machines were simple and affordable, often powered by proprietary two‑stroke engines.
The brand disappeared before WWII, leaving behind very few surviving examples.
💡 Did You Know? Gerkinet motorcycles were regionally popular in Wallonia but rarely exported.
Germaan (Netherlands) [Defunct]
Germaan Motorcycles
Years Active: 1930s–1950s
Notable Models: Germaan Mopeds
Germaan was a Dutch manufacturer producing mopeds and small motorcycles.
Their machines were commuter‑oriented and regionally distributed.
The brand disappeared in the 1950s as larger European manufacturers dominated the market.
💡 Did You Know? Germaan mopeds were often sold alongside bicycles in Dutch shops.
Gerosa (Italy) [Defunct – Racing Specials]
Gerosa Motorcycles
Years Active: 1950s–1960s
Notable Models: Gerosa 125cc GP
Gerosa was an Italian boutique manufacturer producing small‑displacement racing motorcycles.
Their machines competed in Italian national championships and were known for their lightweight frames and tuned engines.
Gerosa disappeared in the 1960s, leaving behind a small but respected racing legacy.
💡 Did You Know? Gerosa motorcycles were often hand‑built for privateer racers competing in local Italian GP events.
G&G (Italy) [Active – Custom Builders]
G&G Motorcycles
Years Active: 1990s–present
Notable Models: G&G Custom Cafe Racers
G&G is an Italian custom motorcycle workshop specializing in cafe racers, scramblers, and bespoke builds.
Their creations are often based on Ducati or Moto Guzzi platforms, re‑engineered with unique styling and performance upgrades.
G&G continues to operate as a boutique builder for enthusiasts seeking one‑off machines.
💡 Did You Know? G&G motorcycles are frequently showcased at European custom bike shows like Verona Motor Bike Expo.
Ghezzi & Brian (Italy) [Active – Moto Guzzi Specialists]
Ghezzi & Brian
Years Active: 1995–present
Notable Models: Ghezzi‑Brian Supertwin, Ghezzi‑Brian Furia
Ghezzi & Brian is an Italian engineering firm and motorcycle manufacturer founded by Giuseppe Ghezzi and Bruno “Brian” Saturno.
They are best known for their racing and road motorcycles based on Moto Guzzi V‑twin engines, featuring innovative chassis designs.
Their Supertwin won the Italian SuperTwins Championship, and the company continues to produce limited‑run performance bikes.
💡 Did You Know? Ghezzi & Brian’s patented front suspension system reduces dive under braking, improving stability.
Gibbs (United States) [Active – Amphibious]
Gibbs Amphibians
Years Active: 1990s–present
Notable Models: Gibbs Biski (amphibious motorcycle)
Gibbs is an American engineering company specializing in amphibious vehicles.
Their Biski prototype was a motorcycle that could transform into a jet ski, capable of traveling on both land and water.
While never mass‑produced, the Biski demonstrated Gibbs’ innovative approach to hybrid mobility.
💡 Did You Know? The Gibbs Biski could reach 80 mph on land and 37 mph on water.
Gigant (Germany) [Defunct]
Gigant Motorcycles
Years Active: 1920s–1930s
Notable Models: Gigant 500cc
Gigant was a German motorcycle manufacturer producing large‑capacity singles and twins.
Their machines were marketed as powerful touring bikes but were produced in small numbers.
Gigant disappeared before WWII, leaving behind very few examples.
💡 Did You Know? Gigant motorcycles were sometimes used by German police forces in the 1930s.
Gilera (Italy) [Active – Historic Racing Brand]
Gilera
Years Active: 1909–present
Notable Models: Gilera Saturno, Gilera 500 GP, Gilera Runner
Gilera is one of Italy’s oldest motorcycle manufacturers, founded by Giuseppe Gilera in 1909.
The company became famous for its racing success, winning multiple 500cc World Championships in the 1950s.
Today, Gilera is part of the Piaggio Group, producing scooters and small motorcycles.
💡 Did You Know? Gilera’s 500cc four‑cylinder GP bike dominated Grand Prix racing in the 1950s.
Gillet‑Herstal (Belgium) [Defunct]
Gillet‑Herstal
Years Active: 1919–1959
Notable Models: Gillet 500cc, Gillet Tourer
Gillet‑Herstal was a Belgian motorcycle manufacturer based in Herstal.
They produced a wide range of motorcycles, from small commuters to large touring machines.
Gillet was well known for its reliability and was used by the Belgian military.
The company closed in 1959 as competition from larger European brands increased.
💡 Did You Know? Gillet‑Herstal motorcycles were exported widely, including to Africa and South America.
Gitane‑Testi (France/Italy) [Defunct – Mopeds]
Gitane‑Testi
Years Active: 1960s–1980s
Notable Models: Gitane‑Testi Champion, Gitane‑Testi Super
Gitane‑Testi was a collaboration between French bicycle maker Gitane and Italian motorcycle builder Testi.
They produced mopeds and small motorcycles, popular among European youth in the 1960s and 1970s.
The brand disappeared in the 1980s as the moped market declined.
💡 Did You Know? Gitane‑Testi mopeds were often raced in amateur competitions across France.
Gladstone (United Kingdom) [Active – Boutique]
Gladstone Motorcycles
Years Active: 2013–present
Notable Models: Gladstone No.1, Gladstone SE
Gladstone is a British boutique motorcycle manufacturer founded by Henry Cole.
Their hand‑built machines are inspired by 1950s British cafe racers, blending classic styling with modern engineering.
Production is extremely limited, making Gladstone motorcycles highly exclusive.
💡 Did You Know? Each Gladstone motorcycle is individually numbered and built to order.
Glide (United States) [Defunct – Early Pioneer]
Glide Motorcycles
Years Active: 1901–1905
Notable Models: Glide Single
Glide was one of the earliest American motorcycle manufacturers, producing simple single‑cylinder machines in the early 1900s.
Their motorcycles were bicycle‑derived and aimed at early adopters of motorized transport.
Glide disappeared quickly, overshadowed by Harley‑Davidson and Indian.
💡 Did You Know? Glide motorcycles were exhibited at some of the first U.S. motor shows in 1902.
Glockner (Germany) [Defunct]
Glockner Motorcycles
Years Active: 1920s–1930s
Notable Models: Glockner 250cc
Glockner was a German motorcycle manufacturer producing lightweight commuter bikes in the interwar years.
Their machines were powered by proprietary two‑stroke engines and marketed as affordable transport.
The brand disappeared before WWII, leaving behind very few surviving examples.
💡 Did You Know? Glockner motorcycles were regionally popular in Bavaria but rarely exported.
GMZ (Germany) [Defunct – Racing Specials]
GMZ Motorcycles
Years Active: 1920s
Notable Models: GMZ Racing 350
GMZ was a small German motorcycle manufacturer producing racing specials in the 1920s.
Their machines were lightweight and designed for competition, often using JAP or MAG engines.
GMZ disappeared quickly, leaving behind only a handful of surviving examples.
💡 Did You Know? GMZ motorcycles competed in regional German road races during the 1920s.
Gnome et Rhône (France) [Defunct – Major Pre‑War Brand]
Gnome et Rhône
Years Active: 1919–1959
Notable Models: Gnome et Rhône 500cc, AX2
Gnome et Rhône was a French manufacturer originally famous for aircraft engines.
After WWI, they diversified into motorcycles, producing a wide range of singles and twins.
Their machines were used by the French military and police, and the company became one of France’s largest motorcycle producers before WWII.
Production ended in the 1950s as the company was absorbed into SNECMA.
💡 Did You Know? The Gnome et Rhône AX2 was a sidecar motorcycle used extensively by the French Army in WWII.
Godden (United Kingdom) [Active – Speedway Engines]
Godden Engineering
Years Active: 1970s–present
Notable Models: Godden Speedway Engines
Godden is a British engineering company specializing in speedway motorcycle engines.
Founded by Weslake engineer Don Godden, the company became a leading supplier of competition engines in the 1970s and 1980s.
Godden engines are still respected in classic speedway racing circles today.
💡 Did You Know? Don Godden himself was a successful speedway rider before founding his engineering company.
Godet (France) [Active – Vincent Specialists]
Patrick Godet Motorcycles
Years Active: 1980s–present
Notable Models: Godet Egli‑Vincent
Patrick Godet was a French engineer and motorcycle builder specializing in Vincent restorations and replicas.
His workshop became world‑famous for producing Egli‑Vincent specials, blending classic Vincent engines with modern Egli frames.
Godet motorcycles are highly sought after by collectors worldwide.
💡 Did You Know? Patrick Godet was officially licensed by Fritz Egli to build Egli‑Vincent motorcycles.
Godier & Genoud (France) [Defunct – Racing Team/Builder]
Godier & Genoud
Years Active: 1970s–1980s
Notable Models: Kawasaki endurance racers
Godier & Genoud was a French racing team and motorcycle builder specializing in endurance racing.
They became famous for their Kawasaki‑based endurance racers, winning multiple Bol d’Or and 24 Hours of Le Mans motorcycle races.
Their workshop also produced limited‑run road bikes based on Kawasaki engines.
💡 Did You Know? Godier & Genoud’s Kawasaki endurance racers helped establish Kawasaki’s reputation in long‑distance racing.
Goebel (Germany) [Defunct – Early 1900s]
Goebel Motorcycles
Years Active: 1920s
Notable Models: Goebel 250cc
Goebel was a small German motorcycle manufacturer active in the 1920s.
Their lightweight singles were commuter‑oriented and regionally distributed.
The brand disappeared quickly, leaving behind very few surviving examples.
💡 Did You Know? Goebel motorcycles were sometimes sold alongside bicycles in German shops.
Gogoro (Taiwan) [Active – Electric]
Gogoro
Years Active: 2011–present
Notable Models: Gogoro Smartscooter, Gogoro Viva
Gogoro is a Taiwanese electric scooter company best known for its battery‑swapping network.
Their scooters are popular in Taiwan and expanding globally, offering smart connectivity and eco‑friendly commuting.
Gogoro has become a leader in the EV two‑wheeler market.
💡 Did You Know? Gogoro’s battery‑swap stations allow riders to exchange batteries in under a minute.
Gold‑Rad (Germany) [Defunct]
Gold‑Rad Motorcycles
Years Active: 1920s–1930s
Notable Models: Gold‑Rad 175cc
Gold‑Rad was a German motorcycle manufacturer producing lightweight commuter bikes in the interwar years.
Their machines were simple and affordable, often powered by Sachs engines.
The brand disappeared before WWII, leaving behind little documentation.
💡 Did You Know? Gold‑Rad translates to “Golden Wheel” in German.
Golo (Germany) [Defunct]
Golo Motorcycles
Years Active: 1920s
Notable Models: Golo 200cc
Golo was a German motorcycle brand active in the 1920s.
Their machines were lightweight singles, typical of the commuter market.
The company disappeared quickly, leaving behind very few surviving examples.
💡 Did You Know? Golo motorcycles were often assembled from parts supplied by larger German firms.
Goodwheel (China) [Active – Scooters]
Goodwheel Motorcycles
Years Active: 2000s–present
Notable Models: Goodwheel 125cc Scooters
Goodwheel is a Chinese manufacturer producing scooters and small motorcycles.
Their machines are aimed at affordable urban transport and are exported to several Asian and African markets.
Goodwheel continues to operate as part of China’s vast motorcycle industry.
💡 Did You Know? Goodwheel scooters are often re‑badged under different brand names for export.
Govecs (Germany) [Active – Electric]
Govecs
Years Active: 2009–present
Notable Models: Govecs GO! S Series
Govecs is a German electric scooter manufacturer based in Munich.
Their scooters are used widely in European cities for delivery fleets and ride‑sharing services.
Govecs is considered one of Europe’s leading EV scooter producers.
💡 Did You Know? Govecs supplies scooters for major delivery companies like Domino’s Pizza in Europe.
Gowinn (China) [Active – Small Displacement]
Gowinn Motorcycles
Years Active: 2000s–present
Notable Models: Gowinn 125cc, Gowinn Scooters
Gowinn is a Chinese manufacturer producing scooters and small motorcycles.
Their machines are marketed for affordability and practicality, often exported to developing markets.
Gowinn continues to operate as part of China’s large motorcycle industry.
💡 Did You Know? Gowinn motorcycles are often re‑badged for sale in Africa and South America.
GPX (Thailand) [Active – Emerging Brand]
GPX Motorcycles
Years Active: 2007–present
Notable Models: GPX Demon, GPX Legend, GPX Gentleman
GPX is a Thai motorcycle manufacturer producing stylish small‑displacement motorcycles.
Their lineup includes sportbikes, cafe racers, and retro‑styled commuters.
GPX has grown rapidly in Southeast Asia and is beginning to export to international markets, offering affordable alternatives to Japanese brands.
💡 Did You Know? The GPX Demon 150GR is styled like a mini‑superbike and is popular among younger riders in Thailand.
GRC Moto (Italy) [Active – Mini GP & Racing]
GRC Moto
Years Active: 1990s–present
Notable Models: GRC Mini GP, GRC RR
GRC Moto is an Italian manufacturer specializing in mini GP racing motorcycles and pocket bikes.
Their machines are used in youth racing categories and as training bikes for future professional riders.
GRC Moto has become a respected name in the world of small‑displacement racing.
💡 Did You Know? Many MotoGP stars, including Valentino Rossi, began their careers on mini GP bikes similar to GRC’s.
Green Tiger (Philippines) [Active – Electric]
Green Tiger Electric Motorcycles
Years Active: 2010s–present
Notable Models: Green Tiger Electric Scooter, Green Tiger E‑Bike
Green Tiger is a Philippine company producing electric scooters and motorcycles.
Their products are designed for eco‑friendly urban commuting, with emphasis on affordability and practicality.
Green Tiger is part of the growing Southeast Asian EV two‑wheeler market.
💡 Did You Know? Green Tiger scooters are widely used in Philippine cities as eco‑taxis and delivery vehicles.
GreenTrans (Taiwan) [Active – Electric]
GreenTrans
Years Active: 2000s–present
Notable Models: GreenTrans E‑Scooter
GreenTrans is a Taiwanese electric scooter manufacturer.
Their scooters are designed for urban commuting and are part of Taiwan’s push toward sustainable mobility.
GreenTrans competes with Gogoro and other EV scooter brands in the domestic market.
💡 Did You Know? GreenTrans scooters are often used in Taiwan’s government‑backed green transport initiatives.
Gritzner (Germany) [Defunct – Sewing Machine Maker]
Gritzner Motorcycles
Years Active: 1903–1950s
Notable Models: Gritzner 250cc, Gritzner 500cc
Gritzner was a German sewing machine manufacturer that also produced motorcycles.
Their machines ranged from lightweight commuters to larger touring bikes.
Gritzner merged with other German firms in the 1950s and ceased motorcycle production.
💡 Did You Know? Gritzner motorcycles were exported across Europe and even to South America in the 1930s.
Gruhn (Germany) [Defunct – Richard Gruhn]
Gruhn Motorcycles
Years Active: 1920s
Notable Models: Gruhn 250cc
Richard Gruhn was a German motorcycle builder active in the 1920s.
His machines were lightweight singles, typical of the commuter market of the time.
Gruhn motorcycles were produced in small numbers and are now extremely rare.
💡 Did You Know? Gruhn motorcycles were often assembled from Sachs and ILO engines, like many small German marques.
Guiller (France) [Defunct]
Guiller Motorcycles
Years Active: 1930s–1960s
Notable Models: Guiller 125cc, Guiller 175cc
Guiller was a French motorcycle manufacturer producing lightweight commuter bikes and mopeds.
Their machines were popular in post‑war France, often powered by Villiers or Sachs engines.
The brand disappeared in the 1960s as the French motorcycle industry consolidated.
💡 Did You Know? Guiller motorcycles were regionally popular in western France, especially around Nantes.
Gunshot (France) [Active – Custom Off‑Road]
Gunshot Motorcycles
Years Active: 1990s–present
Notable Models: Gunshot Supermotard, Gunshot Enduro
Gunshot is a French custom builder specializing in supermoto and enduro conversions.
Their bikes are often based on Honda and Yamaha off‑road platforms, heavily modified for competition and street use.
Gunshot remains active in the European custom scene.
💡 Did You Know? Gunshot bikes are frequently seen in French supermoto racing championships.
GVM (Italy) [Defunct – Small Manufacturer]
GVM Motorcycles
Years Active: 1970s
Notable Models: GVM 125cc
GVM was a small Italian motorcycle manufacturer active in the 1970s.
They produced lightweight commuter motorcycles and mopeds, often powered by Minarelli engines.
The brand disappeared quickly, leaving behind little documentation.
💡 Did You Know? GVM motorcycles were regionally distributed in northern Italy.
Gypsy (United States) [Defunct – Early Custom]
Gypsy Motorcycles
Years Active: 1960s–1970s
Notable Models: Gypsy Choppers
Gypsy was an American custom motorcycle builder active during the chopper boom of the 1960s and 1970s.
Their bikes were heavily customized Harley‑Davidsons, often featuring extended forks and flamboyant paintwork.
Gypsy motorcycles are now considered classic examples of the era’s custom culture.
💡 Did You Know? Gypsy choppers were featured in several underground motorcycle magazines of the 1970s.
Göricke (Germany) [Defunct – Bicycle Maker]
Göricke Motorcycles
Years Active: 1903–1960s
Notable Models: Göricke 98cc, Göricke Mopeds
Göricke was a German bicycle manufacturer that also produced motorcycles and mopeds.
Their machines were commuter‑oriented, often powered by Sachs engines.
Göricke was eventually absorbed into the larger bicycle industry, ceasing motorcycle production in the 1960s.
💡 Did You Know? Göricke motorcycles were exported widely across Europe in the 1930s.
Grind Hard Plumbing Co. (United States) [Active – Experimental]
Grind Hard Plumbing Co.
Years Active: 2010s–present
Notable Builds: Barbie Jeep Motorcycle, Monster Mini Bikes
Grind Hard Plumbing Co. is a U.S. YouTube‑based custom builder collective known for outrageous motorcycle and kart hybrids.
Their viral builds include Barbie Power Wheels converted into high‑powered motorcycles and off‑road machines.
While not a traditional manufacturer, their influence on DIY and custom culture is significant.
💡 Did You Know? Their Barbie Jeep motorcycle build has been viewed millions of times worldwide.
Guazzoni (Italy) [Defunct – Racing Singles]
Guazzoni Motorcycles
Years Active: 1935–1976
Notable Models: Guazzoni Matta, Guazzoni 50cc GP
Guazzoni was an Italian motorcycle manufacturer specializing in small‑displacement racing machines.
Their 50cc and 125cc two‑strokes were competitive in Italian and European championships.
Guazzoni closed in the mid‑1970s as the market consolidated around larger brands.
💡 Did You Know? Guazzoni’s 50cc racers were known for revving beyond 14,000 rpm.
Guerrazzi (Italy) [Defunct – Boutique]
Guerrazzi Motorcycles
Years Active: 1920s–1930s
Notable Models: Guerrazzi 175cc
Guerrazzi was a small Italian motorcycle builder producing lightweight singles.
Their machines were commuter‑oriented and regionally distributed.
The company disappeared before WWII, leaving behind very few surviving examples.
💡 Did You Know? Guerrazzi motorcycles were often hand‑assembled in small workshops.
Guzzi (Italy) [See Moto Guzzi]
Moto Guzzi
Years Active: 1921–present
Notable Models: Moto Guzzi V7, Le Mans, California
Moto Guzzi is one of Italy’s most iconic motorcycle manufacturers, founded in Mandello del Lario in 1921.
Known for their transverse V‑twin engines and racing heritage, Moto Guzzi remains a cornerstone of Italian motorcycling.
Today, Moto Guzzi is part of the Piaggio Group and continues to produce modern classics.
💡 Did You Know? Moto Guzzi is the oldest European motorcycle manufacturer in continuous production.
GY6 (China/Taiwan) [Engine Platform]
GY6 Engine Platform
Years Active: 1980s–present
Notable Models: Used in countless 125cc–150cc scooters
The GY6 is not a brand but a widely used scooter engine platform originally developed by Honda and later adopted across Asia.
It powers millions of scooters worldwide, produced under dozens of brand names.
The GY6 remains one of the most common small‑displacement engines in the world.
💡 Did You Know? The GY6 engine design has been cloned and manufactured by hundreds of factories across China and Taiwan.
Gambler USA, Harley clones
Garelli (Agrati-Garelli) Italian, 1913. Small cc scooters
Gazelle Dutch, Bicycle maker that started making motorbicycles in 1950 and mopeds in 1954, they lasted until 1975 and now again produce only bicycles
GD Italy, 1923 – 1942, Founded in Bologna by Ghirardi and Dallolio. The company was taken over around 1942 and manufacturing switched to wrapping and packing machinery
Gearless USA, 1905 – 1906, The Gearless Motorcycle Co. Shaft drive with a variable friction transmission
Geco-Herstal Belguim, France 1927 – 1930, Gillet-Herstal bought French maker Gerkinet and made the Geco-Herstal
Geer
Gem MiniMoto England
Gemini see Shin San Tong
Geneva USA, Manufactured by the Geneva Bicycle and Steam Carriage Co. in Geneva Ohio in 1896. It was front wheel drive and had the steam engine over the front wheel
Gerhart Four
Gerkinet France
Germaan Dutch
Gerosa Italy
G&G Swiss, Started in 1983, Makers of customs using Guzzi and BMW engines
Ghezzi & Brian Italy, 1995, Ghezzi and Brian (Giuseppe Ghezzi and Bruno Saturno) formed a partnership in 1995 to create a racing motorcycle based on the Moto Guzzi power plant. They build a racer and a 1100cc street bike based around a Moto Guzzi engine
Giggle Tiawan, 1992, Folding gas and electric scooters
Gilera Italy, Founded in 1909 and was heavily involved in racing until the late 1950’s. The company was sold to Piaggio in 1969 and they still make motorcycles and scooters using the Gilera badge
Gillet-Herstal Belgium
Gitan Italy, 1950 – 1980, Small mopeds, early ones used Lavalette engines
Glas-Goggo Germany, 1951- 1956, Built the Goggo Scooter with 120cc,125cc, 150cc and 200cc. Some came with a side-car
Globester
GM Italy, Giuseppe Marzotto builds Speedway racers and engines for Speedway and Ice bikes
Gnome Rhone France
Godden Speedway racers
Goericke Germany, 1903 – 1960
Gough England, 1901 – ? Bicycle builders Joseph and Thomas Gough built the Minerva Motor Bicycle in 1901, using a Gough frame and Minerva engine. They later built motorcycles using other engines
GrcMoto Italy, Minimoto racers
Greeves England, Started by Bert Greeves the company made street bikes, scramblers, road racers and trials bikes from 1953 until 1978. Early ones used Villiars engines
Greyhound USA, see Auto-Bi
Greyhound England
Griffon France, 1905. Won the first international motorcycle race in 1904. The name Griffon was used by Greeves in the 1960’s and 70’s
Grindlay Peerless England, 1920’s – 1934
Gripen Sweden