Honda CR 85 R - 2004 Specifications and Reviews

The 2004 Honda CR 85 R is a lightweight motocross bike designed for young riders and beginners transitioning to competitive racing. Its 84cc two-stroke engine delivers impressive power-to-weight ratio, while the fully adjustable Showa suspension and Pro-Link rear setup provide excellent handling on varied terrain. Best known for reliability and rideability, the CR 85 R remains a popular choice for junior motocross competition.

4.5 stars Average rating: 4.5 from 2 votes
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General information

CategoryCross / motocross
Year2004
ModelHonda CR 85 R

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel systemCarburettor
Bore x stroke47.5 x 47.8 mm (1.9 x 1.9 inches)
Compression8.4:1
Engine typeSingle cylinder, two-stroke
Capacity:84.70 ccm (5.17 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions90/90-14
Front tyre dimensions70/90-17
Rear suspension travel272 mm (10.7 inches)
Rear suspensionPro-Link fully adjustable Showa single-shock;
Front suspension travel267 mm (10.5 inches)
Front suspension37mm fully adjustable leading-axle inverted Showa cartridge fork.
Rake (fork angle)26.4°

Physical measures and capacities

Fuel capacity5.29 litres (1.40 gallons)
Wheelbase1,247 mm (49.1 inches)
Seat height833 mm (32.8 inches) If adjustable, lowest setting.
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed

Performance Profile & Rider Fit

Best For

Track75%
City5%
Cornering85%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a small-wheel 85cc motocross machine built for younger or smaller-statured riders who are progressing from mini bikes toward full-size motocross machines.
PurposeIt exists purely for competitive motocross racing on dirt tracks, not for street use, commuting, or leisure riding.
Rider FitIts low dry weight and compact 823mm seat height make it manageable for lighter or younger riders, though the demands of motocross still require good fitness and bike control.
CharacterIt is a high-strung, race-focused two-stroke that rewards aggressive riding, high revs, and precise technique with sharp, flickable handling.
Not Ideal ForIt is not suitable for taller or heavier adult riders, road use, touring, commuting, or carrying a passenger.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2004 Honda CR 85 R Rider Ergonomics Assessment

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Feet:

At 833mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2004 Honda CR 85 R, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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