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New Engine
New aluminum exhaust valves - changed from steel to aluminum for more even expansion rate between valves and cylinder and more stable flow
to exhaust valve chamber
Updated exhaust valve governor and link-style exhaust valve actuator similar to RM125 for more precise control of exhaust valve movement
and improved throttle response
Improved gear shift operation and feel - new shift drum detent plate shape and higher rate detent spring, plus needle bearing added to left
side of shift drum to reduce friction
Knurl-finished gear shift lever tip for improved appearance and feel
New Chassis
Revised front fork valve settings for improved suspension performance and bottoming resistance
Larger diameter rear shock cylinder and new valving to produce a plush feel and increase bottoming resistance
Improved front and rear brake performance with the following new components:
Front Brake -New twin-piston front caliper -Larger diameter 220 front brake rotor -New RM125-type front master cylinder -Lighter weight
front brake hose
Rear Brake -More compact and lighter weight rear caliper -Larger 200mm rear brake rotor -More durable resin-type caliper guard -Additional
weight reduction from shorter rear brake hose and new master cylinder rod/brake lever connection -More durable forged rear brake pedal
New chrome-moly footpegs for increased durability and improved rider feel
New RM125-style clutch lever with 10% longer lever stroke for more precise clutch operation and feel
Key Features
The machine of choice in the mini-class available in two size wheel versions
High-revving 84.7cc, liquid-cooled, case-reed engine produces strong peak power and torque
SCEM-plated cylinder - lighter than a steel-sleeved cylinder with superior heat transfer capability
KeihinT PE28 carburetor provides smooth throttle response and is designed for simplified maintenance
Large-capacity radiator for efficient engine cooling (same size as single RM125 radiator)
Magneto cover with styling similar to RM125/250
Frame designed for increased rigidity, durability and straight line performance; features large diameter tubing in key areas and large
front reinforcement plate
Aluminum swingarm with chain adjustment system similar to RM125 and 250
Brake and shift pedals designed with thick cross-section for durability
Showa 37mm inverted fork featuring cartridge damping system with fully-adjustable rebound damping and 20-way adjustable compression damping
- Includes fork guards to protect inner fork tubes
Two wheel size versions to fit a variety of young riders: RM85 - F: 70/100-17, R: 90/100-14, RM85L - F: 70/100-19, R: 90/100-16
Fuel tank, radiator shroud, seat and number plates with design and graphics similar to RM125/250
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