Motocross Bikes

2003Suzuki RM85

33 fields on record

The 2003 Suzuki RM 85 is a lightweight two-stroke motocross bike designed for young and amateur riders transitioning into competitive racing. Known for its responsive 84cc engine and nimble handling, it delivers impressive power delivery for its class while remaining manageable for developing riders. The bike's compact frame and liquid-cooled performance make it ideal for both training and entry-level competition.

Capacity: 84.7 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 65.0 kg
Seat height: 850 mm
Power: Not on record
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Other years 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail90%

Cornering85%

City riding5%

Daily riding5%

Touring5%

Two-up0%

Track70%

Best for: It exists purely for amateur and junior motocross racing on real tracks, not for street use or general recreation.
Built for: Sharp, revvy, and demanding, it rewards aggressive throttle and clutch work with explosive two-stroke power delivery and razor-quick handling.
Not ideal for: It is not suitable for adults, taller riders, commuting, touring, or anyone wanting a relaxed or forgiving ride.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 850mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2003 Suzuki RM85, with a cramped knee angle of around 75 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 84.7 ccm
Engine type: Single, two-stroke
Bore x stroke: 48.0 x 46.8 mm
Compression: 9.5:1
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: CDI
Lubrication system: Premix
Power: Not on record - add it

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multi-plate

Dimensions & weight

Wheelbase: 1240 mm
Overall length: 1805 mm
Overall width: 735 mm
Overall height: 1100 mm
Seat height: 850 mm
Dry weight: 65.0 kg
Wet weight: 73.0 kg
Fuel capacity: 5.00 litres
Ground clearance: 325 mm

Chassis & suspension

Frame: A tubular steel frame and thick wall aluminum swingarm provides class-leading performance on the track, especially in the corners. The frame was designed for increased rigidity, durability and straight-line performance; it features large diameter tubing i
Front suspension: Inverted, cartridge-type, 20-way adjustable compression and fully-adjustable rebound damping, 10.8 inches of travel.
Rear suspension: Link-type, fully-adjustable spring preload, and 4-way compression and 16-way rebound damping, 10.9 inches of travel.
Front wheel travel: 275 mm
Rear wheel travel: 277 mm

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 220 mm
Rear brakes: Single disc
Front tyre: 70/100-17
Rear tyre: 90/100-14

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2002	2003	2007	2013	2018	2023
Capacity	85 cc	85 cc	85 cc	85 cc	85 cc	85 cc
Dry weight	65 kg	65 kg	65 kg	69 kg	69 kg	69 kg
Seat height	850 mm	850 mm	850 mm	850 mm	850 mm	850 mm
Fuel capacity	5 L	5 L	5 L	5 L	5 L	5 L