Engine Features
- High-revving 84.7cc, liquid-cooled, case-reed engine produces strong peak power and torque - includes aluminum exhaust valves for more stable exhaust flow and RM125-style exhaust valve governor and linkage for precise valve movement and strong throttle response
- SCEM-plated cylinder - lighter than a steel-sleeved cylinder with superior heat transfer capability
- KeihinTM PE28 carburetor provides smooth throttle response and is designed for simplified maintenance
- Smooth shifting 6-speed transmission - shift drum detent plate and detent spring designed for positive shift feel, plus needle bearing mounted on the left side of the shift drum to reduce friction
- Knurl-finished gear shift lever tip for improved appearance and feel
- Large-capacity radiator for efficient engine cooling (same size as single RM125 radiator)
- Magneto cover with styling similar to RM125/250
Chassis Features
- 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
- Showa rear shock absorber with large diameter shock body and valving designed to produce a plush feel and increase bottoming resistance
- Twin piston front brake caliper and large 220mm diameter front brake rotor, plus RM125 front master cylinder
- Lightweight rear brake system with large 200mm diameter rear brake rotor for positive brake feel
- Chrome-moly footpegs for increased durability and improved rider feel
- Easy to use clutch lever with long lever stroke for precise clutch operation and feel
- Wheel sizes to meet AMA 85cc class regulations F: 70/100-17, R: 90/100-14
- Fuel tank, radiator shroud, seat and number plates with design and graphics similar to RM125/250
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Specs
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| | Engine: | 84.7cc, two-stroke, single cylinder, liquid-cooled, AETC, crankcase reed
| | Bore Stroke: | 48 x 46.8mm
| | Compression Ratio: | 9.5:1 / 10.9:1
| | Fuel System: | KeihinTM PE28
| | Lubrication: | Premix
| | Ignition: | CDI
| | Transmission: | 6-speed
| | Final Drive: | #428 Drive
| | Overall Length: | 1805mm (71.1 in.)
| | Overall Width: | 735mm (28.9 in.)
| | Overall Height: | 1100mm (43.3 in.)
| | Seat Height: | 850mm (33.5 in.)
| | Ground Clearance: | 325mm (12.8 in.)
| | Wheelbase: | 1240mm (48.8 in.)
| | Dry Weight: | 65kg (143 lbs.)
| | Suspension Front: | Inverted, cartridge-type, 20-way adjustable compression & fully-adjustable rebound damping, 10.8 inches of travel.
| | Suspension Rear: | Link-type, fully-adjustable spring preload, and 4-way compression and 16-way rebound damping, 10.9 inches of travel.
| | Brakes Front: | Single hydraulic disc
| | Brakes Rear: | Single hydraulic disc
| | Tires Front: | 70/100-19 42M
| | Tires Rear: | 90/100-16 52M
| | Fuel Tank Capacity: | 5.0 liter (1.3 gal.)
| | Color: | Yellow
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