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2015 Kawasaki KX100 Review
2015 Kawasaki KX100 on www.Totalmotorcycle.com
KX™100 Helps Riders Prepare for the Big Time!
We designed the KX100 from the ground up for teenage chargers who are between the mini 85s and full-size 250s. Its 19-inch front and 16-inch rear wheels are sized just right for adolescent racers and its generous 275mm of front and rear wheel travel is widely tuneable to let your inner-race shine.
The Kawasaki KX™100 represents a natural step in the progression of any budding young motocross rider who is on the verge of outgrowing the KX™85, but maybe still needs to grow a few inches, gain a few pounds or simply get a little more seat time before jumping aboard a full-size KX™250F. The new KX100 offers the perfect blend of a power and a larger chassis for an ideal learning curve en route to the big bikes.
ENGINE & TRANSMISSION
The KX100’s liquid-cooled two-stroke engine delivers more power by virtue of its greater displacement. Its championship-bred 99cc motor delivers hard-hitting power over a broader powerband than the KX85, thanks to the proven Kawasaki Integrated Power-valve System (KIPS®), which amplifies the low-end torque and creates a seamless transition to its top-end rush.
Crisp throttle response is provided by the 28mm Keihin carburetor and carbon-fiber reed valve assembly of the KX100, but that is just one of a host of features aimed at improving its performance and reliability. The engine also has a durable, Nikasil-plated cylinder with an exhaust port shaped for better flow to optimize peak power at wide-open throttle. The piston has a single piston ring, rather than two rings, which reduces cylinder wall friction for even better engine response.
To maintain the KX100’s flawless power delivery, it uses a 28mm Keihin PWK carburetor and Kawasaki Integrated Power-valve System (KIPS®) with independent valves for each port for improved reliability and reduced maintenance.
The 83mm crankshaft features a precisely shaped resin block to close the gap around the machined area near the crank pin. This helps boost power as well as making the crank more rigid and durable.
Because power generates heat, the KX100 radiator provides ample cooling capacity to prolong engine life and ensure consistent power delivery during grueling motos.
The smooth-shifting six-speed transmission has the perfect ratios for tackling any obstacle on the track, while durability is assured thanks to its hard chrome-finished shift fork ends, thick base on the clutch basket housing and additional bushing on the input shaft.
The potent engine requires a similarly proficient chassis, and Kawasaki engineers specified a Uni-Trak® linkage for the KYB reservoir rear shock and class-leading KYB 36mm inverted front forks, ensuring the KX100 can thrive in the roughest motocross terrain.
Just like its big brothers, the KX100 front forks features shim-type valving and firm damping for the faster riders, while also offering superior bottoming resistance and a wide range of damper adjustability to suit a variety of riding styles and track conditions.
In the rear, the shock’s black-anodized aluminum body uses a clicker-type adjuster to make fine-tuning the rear damping quick and easy.
Petal-type brakes improve the stopping power, with 220mm front and 184mm rear rotors delivering efficient braking performance and the petal shape helps clean the pads in muddy conditions.
The front brake hose is routed behind the axle for better protection using hose guides that mimic the larger, championship-winning KX models. Dunlop® Geomax MX51 intermediate tires provide optimal grip over varying terrain and riding conditions.
The KX100’s high-tensile steel reinforced perimeter frame is key to maintain Kawasaki’s legendary handling. Its 34.3” seat height fits a wide variety of growing inseams, and there is plenty of adjustability thanks to three-position handlebar risers and two-position clamps that provide six different handlebar positions to ensure a comfortable fit for the rider.
The KX100 looks as fast as it runs, thanks to bold factory race styling that is virtually identical to the big KX models. To allow the rider to remain comfortable and move around easily, the KX100 has a low fuel tank, slim radiator covers and side panels that blend with a flatter two-tone seat. The seat itself features a seamless cover and grippy material to ensure rider comfort.
An angular front fender, number plate and white rear fender not only match the big KXs, but the front fender also helps reduce mud accumulation, while wrap-around fork guards protect the inner fork tubes and seals. Last but not least, a brushed finish on the aluminum swingarm helps keep the KX100 looking fresher for longer.
Completing its factory race styling, the KX100 is finished in Kawasaki’s signature Lime Green with eye-catching detail appointments such as green alumite coatings on the adjusters and black alumite coating on the rims, just like Villopoto’s factory KX450F.
2015 Kawasaki KX100 www.Totalmotorcycle.com Key Features
At A Glance…
Liquid-cooled, two-stroke, 99cc engine produces good power and torque
Kawasaki Integrated Power-valve increases more mid-range torque and top-end power
Jetting for the 28mm Keihin PWK carburetor promotes ideal fuel atomization, for quicker throttle response and a smoother power delivery
Uni-Trak® rear suspension is fully adjustable for compression and rebound damping and spring preload
Rigid 36mm inverted cartridge forks are 20-way adjustable for compression damping, and provide better steering response and control
Six-speed transmission has chrome-finished shift fork ends to resist wear and seizing while bushings on the second, third and fourth gears on the output shaft increase durability
Slim and narrow frame allows the rider to move around the motorcycle, while adjustable handlebars ensure a comfortable fit for a range of riders
Industry-leading amateur racer support through Team Green™
2015 Kawasaki KX100 www.Totalmotorcycle.com Features and Benefits
Liquid-cooled, Two-stroke, Single-cylinder 99cc Engine
Cylinder head gasket and gasket retention dowel prevents detonation, increasing reliability
Piston with single-ring design (was two rings) reduces friction
Lightweight Nikasil-coated cylinder with exhaust port shaped for flow and power
Large outer diameter crankshaft is 83mm, increasing rigidity and improving durability
Precisely shaped resin block added to crankshaft closes the gap around the machined area near the crank pin, reducing volume of the bottom-end to increase intake transfer for more power
Intake and exhaust port bridges are machine-finished for reduced wear and improved reliability
Rotor comes with rare-earth magnets; the unitized piece is small, light and more efficient; low inertial moment improves low-rpm response
Connecting rod big-end bearing has more rigid cage for improved durability
Intake port shape and cylinder skirt allow cooling air into the crankcase chamber
Primary gear is secured using a lock-nut to help reduce mechanical noise
Metafoam gaskets for the generator and water pump covers improve sealing
Kawasaki Integrated Power Valve System (KIPS®)
KIPS system varies exhaust-port height for increased horsepower and torque at all RPM
Independent valves for each port replace three-piece design, increasing reliability and reducing maintenance
Produces a broad powerband with more mid-range torque and excellent top-end power
Breather in KIPS cover improves high-rpm and overrun performance
Large right-side cutout improves airflow for increased power
28mm Keihin PWK Carburetor
Jetting optimizes performance with engine tuning specs
Large crescent slide positions the needle closer to intake ports for ideal fuel atomization, providing quicker throttle response and a smoother power delivery
Carburetor adjustable for various conditions
Features large-diameter O-ring and groove on exhaust pipe for improved durability and easy installation
Aluminum silencer is re-packable like larger KX models
Thick-base clutch hub rides on needle bearings for smooth action
Large, 91mm clutch plates add durability and control
Clutch-release lever ratio is designed for light clutch lever action
Clutch plate service cover simplifies maintenance and utilizes a metal-carbon composite gasket
Positive shifting action and rugged durability
Fifth and sixth gears ride on bushings for added reliability
Shift forks are hard chrome-finished to resist wear and seizing
Convenient oil-level window offers easy level checks
Bushings on the second, third and fourth gears increase durability
High-tensile Steel Perimeter Frame
High-tensile steel frame tubes have reinforcement in key areas to manage power output
Perimeter design accommodates optimal intake/exhaust design
Wide, steel footpegs offer added control and strength.
Thick footpeg-mount brackets withstand today’s rigorous tracks
Engine and chassis bolts feature rust-resistant coating
Uni-Trak® Rear Suspension
KYB reservoir shock features black-anodized aluminum body
Clicker-type compression damping adjuster allows for more precise damping adjustments
Swingarm uses large cross-section beams for improved rigidity and control
Cast-aluminum drive chain adjuster sections allow easy chain adjustments
Shock is fully adjustable with 24-way compression and 21-way rebound damping, plus stepless spring preload
36mm Inverted Cartridge Fork
Shim-type valving provides precise damping control
Firm damping rates offer superior bottoming resistance
Inverted fork is rigid, providing superior steering response and control
Compression damping is 20-way adjustable
Aluminum upper fork tubes measure 36mm in diameter for flex-free performance
Revised axle clamp reduces under-hang for greater fork clearance in ruts
Petal-type brake rotors (220mm front/184mm rear) provide powerful stopping ability
Petal-type rotor design helps clean the brake pads for more consistent performance
Front brake hose routing helps protect brake line; front guides are just like the big KXs
Direct upward line simplifies brake bleeding maintenance
Front brake lever shape offers optimum feel
Forged-aluminum rear brake pedal is strong, lightweight and features two seals at the pivot for smooth operation and increased durability
Provide strong braking power with minimal effort
Black alumite-coated lightweight aluminum rims offer a factory look
Rear hub features two bearings on the drive side for added durability
Large rear-axle diameter for optimum rigidity
Dunlop® Geomax MX51 tires provide optimal grip for a wide range of riding conditions
Slim radiator shrouds and side panels allow good rider movement
Flat seat with seamless seat cover and grippy material provide comfort and make it easier to shift weight
34.3″ seat height is ideal for larger riders who are still growing
Handlebars provide good leverage and comfort with a range of adjustment available
Three-position handlebar risers offer STD, +5mm higher and +10mm higher bar positioning
Two-position handlebar clamps offer STD, +10mm forward bar location for a total of six different handlebar positions with new handlebar risers
Swingarm surface treatment matches big KX models and is easier to clean and refresh
Angular front fender, angular rear fender and number plate design match big KX-styling
Wraparound fork guards with embossed Kawasaki logo protect inner fork tubes and enhance styling
Factory lime green “flow line” graphics
Black alumite coatings mirror the reigning champion’s KX
Grey clutch and ignition covers resist the signs of boot rub to help keep the KX looking fresh
2015 Kawasaki KX100 – www.Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $4,599 USD
Engine: Two-stroke single with KIPS®
Bore x stroke: 52.5 x 45.8mm
Carburetion: Keihin PWK28
Induction: Two-petal reed valve
Compression ratio: 10.2:1 (low speed) – 8.7:1 (high speed)
Ignition: Digital CDI
Final drive: Chain
Frame: High-tensile steel perimeter design with subframe member
Rake / trail: 29 degrees / 4.3″
Front suspension / wheel travel: 36mm inverted telescopic cartridge fork with 20-way compression damping / 10.8″
Rear suspension / wheel travel: Uni-Trak® single shock system with 24-way compression and 21-way rebound damping plus adjustable spring preload / 10.8″
Front tire: 70/100×19
Rear tire: 90/100×16
Front brake / rear brake: Hydraulic disc / disc
Overall length: 75.6″
Overall width: 30.1″
Overall height: 43.3″
Ground clearance: 13″
Seat height: 34.3″
Curb weight: 169.7 lb
Fuel capacity: 1.32 gallons
Color: Lime Green
2015 Kawasaki KX100 – www.Totalmotorcycle.com Canadian Specifications/Technical Details
Canada MSRP Price: $5,099 CDN
Type 2-stroke, Single with KIPS
Bore and stroke 52.5 x 45.8 mm
Cooling Liquid, twin radiators
Compression ratio 10.2 (low speed), 8.7 (high speed)
Induction 2-petal carbon-fibre piston reed valve
Fuel system Keihin PWK28 carburetor
Lubrication Petrol mix (32:1), 2-stroke racing oil
Front: type Single 220 mm disc
Front: calipers Dual-piston caliper
Rear: type Single 184 mm disc
Rear: calipers Single-piston caliper
Overall length 1,920 mm (75.2 in.)
Overall width 765 mm (28.9 in.)
Overall height 1,150 mm (43.5 in.)
Wheelbase 1,310 mm (50.8 in.)
Ground clearance 330 mm (15.0 in.)
Seat height 870 mm (34.3 in.)
Curb mass** 77 kg (157 lbs.)
Fuel capacity 5 litres (1.21 gal.)
Transmission 6-speed, constant mesh, return shift
Final drive Chain
Primary reduction ratio 3.400 (68/20)
Gear ratio: 1st 2.538 (33/13)
Gear ratio: 2nd 1.875 (30/16)
Gear ratio: 3rd 1.500 (27/18)
Gear ratio: 4th 1.250 (25/20)
Gear ratio: 5th 1.090 (24/22)
Gear ratio: 6th 0.956 (22/23)
Final reduction ratio 3.923 (51/13)
Clutch Wet multi-disc
Type Tubular single cradle, high tensile steel perimeter
Wheel travel: front 275 mm (10.8 in.)
Tire: front 70/100-19
Wheel travel: rear 275 mm (10.8 in.)
Tire: rear 90/100-16
Caster (rake) 29°
Trail 108 mm (4.1 in.)
Steering angle (left/right) 45° / 45°
Suspension, front 36 mm inverted telescopic cartridge fork with 20-way compression damping
Suspension, rear Uni-Trak single-shock system with 24-way compression and 21-way rebound damping, plus adjustable spring preload
* The Manufacturer’s Suggested Retail Price does not include freight, pre-delivery inspection or applicable taxes. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice. The amount indicated as “Your price” may include an optional instant Mega Cash credit that is deducted from the manufacturer’s suggested retail price before taxes. This promotion is time limited and certain conditions will apply. See your dealer for complete details. Offer not available on financed purchases and cannot be combined with any other special offers. The final price is at the discretion of the dealer. Prices and Specifications are subject to change without prior notice.
** Includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90% of capacity) and tool kit (if supplied)
‡ Power / Torque figures measured at the crankshaft.
The specifications mentioned here apply to and have been achieved by production models under standard operating conditions. We intend only to give a fair description of the vehicle and its performance capabilities but these specifications may not apply to every machine supplied for sale. Kawasaki Heavy Industries, Ltd. reserves the right to alter specifications without prior notice. Equipment illustrated and specifications may vary to meet individual markets. Available colours may vary by market.