2013 Indian Thunder Stroke 111 Engine

Back to 2013 Indian Motorcycle Model Review Page

Click photos to enlarge. Our big, clean bike pics make great desktop wallpaper.

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine
2013 Indian Thunder Stroke 111 Engine

2013 Indian Thunder Stroke 111 Engine Review

2013 Indian Thunder Stroke 111 Engine

Honoring ouR past. Powering our future.

All-New 111-Cubic Inch V-Twin Power Plant Unifies Iconic Past and Advanced Engineering to Deliver Heartbeat of Upcoming, all new 2014 Indian Motorcycle Indian Motorcycle, the first American motorcycle company, proudly announces the all new Thunder Stroke 111™ engine that will power the model year 2014 Indian Motorcycle. The Thunder Stroke 111 marks yet another critical milestone in the company’s persistent drive towards a full launch later this year under the stewardship of Polaris Industries.

Since the April 2011 acquisition of Indian Motorcycle by Polaris Industries, the company has made an unprecedented commitment of time, resources and passion into the design of the all-new power plant. From the outset, the goal was to capture the iconic design and styling aspects of the 112-year old brand’s most historic models and fuse that heritage with state-of-the-art technology and progressive design elements. The new design reflects an unparalleled investment into researching the complete history of Indian Motorcycle power train development, including the review of volumes of historical documentation, miles of riding vintage motorcycles, and studying and dissecting a broad array of legendary Indian Motorcycle models.

The Thunder Stroke 111 engine features 111 cubic inch displacement and delivers the raw power and iconic styling that have long been hallmarks of the legendary Indian Motorcycle brand. Delivering more than 115 ft-lbs of torque, the 49-degree V-Twin engine is the new heartbeat of Indian Motorcycle and marks the first clean-sheet Indian Motorcycle engine design in seven decades. With parallel pushrod tubes, finned heads, down firing exhausts, left side air intake, and the proportions and layout familiar to Indian Motorcycle fans around the world, the Thunder Stroke 111 is sure to inspire both experienced and new riders. The engineering prowess and financial resources of Polaris Industries will re-forge this iconic brand into the industry leader it deserves to be.

“Everyone involved in the design of this motorcycle line understands that we are the stewards and caretakers of one of America’s most storied and legendary brands. We’ve worked tirelessly to retain the truly iconic characteristics of the brand and combine those elements with advanced technologies to deliver a new Indian Motorcycle offering exceptional performance and truly unsurpassed reliability,” said Polaris Industries Vice President of Motorcycles, Steve Menneto. “The new Thunder Stroke 111 engine delivers what riders are looking for, and we expect that Indian Motorcycle fans will be inspired by this legendary new power plant as we
accelerate toward our full launch in the months ahead.” – Steve Menneto, Polaris Industries Vice President of Motorcycles



2013 Indian Thunder Stroke 111 Engine Features and Benefits

The 1948 Indian Chief was an inspiration for designers.

Computer Aided Drafting and stress analysis is extensively used before production testing started.

The new Thunder Stroke 111 engine has been extensively tested, refined and proven by one of the industry’s most rigorous development and testing programs, accumulating over one million miles of testing, including state-of-the-art dyno testing, and hundreds of thousands of miles of on-road testing. The all-new Thunder Stroke 111 is built in Osceola, Wisconsin at the Polaris Industries Engine Assembly Plant, with future full unit motorcycle assembly taking place in Polaris’ state-of-the-art production facility in Spirit Lake, Iowa.


Indian Motorcycle, a wholly-owned division of Polaris Industries Inc. (NYSE: PII), is America’s first motorcycle company. Founded in 1901, Indian Motorcycle has won the hearts of motorcyclists around the world and earned distinction as one of America’s most legendary and iconic brands through unrivaled racing dominance, engineering prowess and countless innovations and industry firsts. Today that heritage and passion is reignited under new brand stewardship.



2013 Indian Thunder Stroke 111 Engine – Specifications/Technical Details
MSRP Price: NA

Engine Overview
Displacement 111 c.i. (1811 c.c.)
Maximum Engine Torque More than 115 ft-lbs (156 N*m)
Engine Type 49 deg V – Twin
Cooling system type Air Cooled with Integrated Oil Cooler
Idle speed +/-50rpm 800 RPM
Max Engine speed 5500 RPM

Valves per cylinder 2
Actuation Three-Cam, Push-rod, OHV
Lifter Type Hydraulic
Compression Release Yes, Automatic
Bore 3.98 in (101 mm)
Stroke 4.45 in (113 mm)
Target Compression Ratio 9.5: 1
Balancer Type Helical Gear Primary Balancer

Drive Train
Primary Drive Gear 55/86 ratio
No. of Ratios 6-speed Overdrive constant mesh
Spur/Helical 1st Spur, 2-6 Helical
Gear Ratios (overall)
1st 9.403
2nd 6.411
3rd 4.763
4th 3.796
5th 3.243
6th 2.789
Final Drive Carbon Fiber Reinforced Belt 30/66 ratio
Clutch Type Multi-plate, Wet clutch, Integral Damper

Fuel Induction system
Throttle actuation Electronic Throttle Control
Throttle Diameter 2.13 in. / 54 mm
Fuel Delivery type Electronic Sequential Port Fuel Injection
Fuel Type Premium recommended
Lubrication system
Oil Type 20W-40
Sump type Semi-dry

Specifications, features and prices to change by manufacturer without notice. All information correct as of posted date.



2013 Indian Thunder Stroke 111 Engine – Press Release


Indian Motorcycle Australia pulled the covers the all-new Thunder Stroke 111 engine at the Ulysses AGM on the Fraser Coast at April 17, 2013 3.30pm AEST to an eager crowd of over 1,000 Ulysses members.

Due for release later this year, the much anticipated reveal of the all-new Thunder Stroke 111 powering the new Indian Motorcycle drew significant interest from Australia¡¦s largest Motorcycle Club, with members inspecting every little detail of the all-new engine up close and in person.

The engine reveal also coincided with the launch of the exclusive ¡§One-Eleven Original¡¨ riders club. The One-Eleven Original riders refer to the first 111 Indian Motorcycles¡¦ to be sold and delivered in Australia. Indian Motorcycle Australia has commenced accepting orders and deposits for the new Indian Motorcycle and in return prospective owners receive an exclusive One-Eleven

Original kit containing:
– One-Eleven Original Embroidered pit shirt
– Indian glass Warbonnet paper weight
– Indian belt & buckle
– Numbered bike
– Exclusive video content straight from the US design & engineering team
– Numbered print of the original Indian design sketches, signed by US design & engineering team
– Spirit of Munro – BELL helmet with One-Eleven Original livery

Peter Harvey, Country Manager for Indian Motorcycle Australia said “we expected the new engine to generate a lot of interest and unveiling it at Ulysses for the first time outside the USA and second time worldwide is a coup for Australia and Ulysses. Many Ulysses members have taken advantage of being amongst the first to see the heart of the new Indian Motorcycle and place deposits. With only 111 bikes to receive the exclusive One-Eleven Original kit and numbering, Indian Motorcycle enthusiasts and prospective customers will need to move quickly as the response and interest is very strong.”

Indian Motorcycle Thunder Stroke 111 Engine Specifications:
Engine Displacement: 111 cubic inches (1,800+ cc)
Torque: More than 115 ft-lbs (>156 Nm)
Architecture: 49-degree V-twin, air-cooled with integrated oil cooler, left-side air intake, down firing exhaust system, parallel pushrod tubes
Crankcase: Unit design featuring a high capacity semi-dry sump oil system, oversized oil radiator
Timing System: 3 camshafts, pushrods, 2 valves per cylinder acting through maintenance-free hydraulic valve lifters, forged crankshaft
Fuel System: Electronic sequential port fuel injection and electronic throttle control
Compression Ratio: 9.5
Transmission: 6-speed overdrive, constant mesh, helical gearbox
Clutch: Low-effort, multi-plate wet clutch, aluminum basket, integral torsional damper

About Michael Le Pard 2246 Articles
"Mr. Totalmotorcycle". Owner and Founder of Total Motorcycle. Supporting over Motorcyclists and Motorcycling for 19 great years. Total Motorcycle is my pride and joy and being able to reach out 300 million people has been incredible but I could not have done it without the support of my visitors, readers and members, thank you so much! You are making a difference to millions of riders worldwide. Thank you.