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Suzuki RM500 model history
1983—1985

I have put some Suzuki RM 500 info on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.


Suzuki 1983More Suzuki models from 1983
1983 Suzuki year code: D

Suzuki introduced its succesfull RM series of motocross models in 1975. The largest of them all, RM500, was introduced in 1983 and had a black frame, black fork boots, black seat and slightly different fuel tank and tank decals from the 1984 model.

The '83 RM500 differed from the '82 RM465 mainly from the increase in engine bore size. Other than minor cosmetic changes, the bikes were very similar.

At the time it was the largest motocrosser from Suzuki (when RM400 was introduced in 1980 it was the largest). The Full-Floater rear suspension was first used by the works road racing and motocross teams. It went into the RM series in 1981.

Frame code: RM11A
Suzuki RM500D  RM 500 E '84 -83 RM500RM 500 1983
Overall Length: 2,175 mm (85.6 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,265 mm (49.8 in)
Seat Height: 965 mm (38.0 in)
Wheelbase: 1,475 mm (58.1 in)
Ground Clearance: 370 mm (14.6 in)
Dry Weight: 103 kg (229 lbs)
Engine type: Air-cooled 492 cc cc single cylinder 2-stroke, Full Reed.

Click on the image for larger format.
Here's even larger picture.

1983 RM500D specifications (from original brochure)
Engine Type: Air-cooled single cylinder 2-stroke, Full Reed
Cylinder displacement: 492 cc
Bore x Stroke: 88,5 x 80,0 mm (3.48 x 3.15 in.)
Compression Ratio: 6,2 :1
Carburetor: Mikuni VM38SS, flat slide
Lubrication: Fuel/oil mixture 20:1
Ignition: Suzuki PEI (Pointless Electrical Ignition)
Starter: Primary kick
Transmission: 4-speed
Final Drive: #520 chain
Maximum power output/ torque: ?
Overall Length: 2,175 mm (85.6 in.)
Overall Width: 845 mm (33.3 in.)
Overall Height: 1,250 mm (49.2 in.)
Seat Height: 960 mm (37.8 in.)
Wheelbase: 1,475 mm (58.1 in.)
Ground Clearance: 370 mm (14.6 in.)
Dry Weight: * 103 kg (227 lbs.)
Front suspension: Air, oil damped, leading axle, fully adjustable compression damping, 11.2 in. travel
Rear suspension: Suzuki "Full Floater," gas/oil shock, 4 compression & rebound damping adjustments, fully adjustable spring, aluminum "box-type" swing arm, 12.9 in. wheel travel
Front Brake: Drum, double leading shoe
Rear Brake: Drum, full floating
Front tyre dimension: 100/80-21 4PR, full knobby
Rear tyre dimension: 140/80-18 4PR, full knobby
Fuel tank capacity: 9,0 lit (2.4 US gal.)
Color: Yellow
* Suzuki's dry weight specifications exclude fuel, transmission oil and coolant.
The 1983 RM-500 is a competition motorcycle and is sold on an "as is" basis and has no express or implied warranty.


Suzuki 1984More Suzuki models from 1984
Suzuki model year code: E

According to a Swedish magazine ad the 1984 RM500 engine recieved a new cylinder. The advertisement says also: ”The same one as on the World Championship machine RN500 — delivering more power at low- and mid-range. New exhaust system for even more power. Improved Full Floater suspension.” The RM500 got the aluminum silencer in '84.

At the time it was the largest motocrosser from Suzuki (when RM400 was introduced in 1980 it was the largest). The Full-Floater rear suspension was first used by the works road racing and motocross teams. It went into the RM series in 1981.

Frame code: RM11A
Suzuki RM500E  RM 500 E '84 -84RM 500 1984
Overall Length: 2,175 mm (85.6 in)
Overall Width: 845 mm (33.3 in)
Overall Height: 1,250 mm (49.2 in)
Seat Height: 960 mm (37.8 in)
Wheelbase: 1,470 mm (57.9 in)
Ground Clearance: 365 mm (14.4 in)
Dry Weight: 103 kg (227 lbs)
Engine type: Air-cooled 492 cc single cylinder 2-stroke, Full Reed.

Click on the image for larger format.
Here's even larger picture.

 

1984 RM500E specifications (from original brochure)
Engine Type: Air-cooled single cylinder 2-stroke, Full Reed
Cylinder displacement: 492 cc
Bore x Stroke: 88,5 x 80,0 mm (3.48 x 3.15 in.)
Compression Ratio: 6,2 :1
Carburetor: Mikuni VM38SS, flat slide
Lubrication: Fuel/oil mixture
Ignition: Suzuki PEI (Pointless Electrical Ignition)
Starter: Primary kick
Transmission: 4-speed
Final Drive: #520 chain
Maximum power output/ torque: ?
Overall Length: 2 175 mm (85.6 in.)
Overall Width: 845 mm (33.3 in.)
Overall Height: 1 250 mm (49.2 in.)
Seat Height: 960 mm (37.8 in.)
Wheelbase: 1 470 mm (57.0 in.)
Ground Clearance: 365 mm (14.4 in.)
Dry Weight: * 103 kg (227 lbs.)
Front suspension: Air, oil damped, leading axle, 8 compression damping adjustments, 11.8 in. travel
Rear suspension: Suzuki "Full Floater," gas/oil shock, 4 compression & 4 rebound damping adjustments, fully adjustable spring, aluminum box-type swingarm, 13.0 in. wheel travel
Front Brake: Drum, double leading shoe
Rear Brake: Drum, full floating
Front tyre dimension: 100/80-21 4PR, full knobby
Rear tyre dimension: 140/80-18 4PR, full knobby
Fuel tank capacity: 9,0 lit (2.4 US gal.)
Color: Yellow
* Suzuki's dry weight specifications exclude fuel, transmission oil and coolant.
The 1984 RM-500 is a competition motorcycle and is sold on an "as is" basis and has no express or implied warranty.


Suzuki 1985More Suzuki models from 1985
1985 Suzuki year code: F


The '85 RM500 was a was not offered in The USA. The main differences from the '84 model were improved suspension (more adjustment choises) and the addition of a front disc brake. Cosmetically, the Silver engine and Gold wheel rims set it apart from the '83 and '84 models.

The numbers below come from the Canadian '85 Suzuki full-line catalogue.
Suzuki RM500F  RM 500 F '85 -85RM 500 1985
Overall Length: 2,175 mm (85.6 in)
Overall Width: 860 mm (33.9 in)
Overall Height: 1,270 mm (50.0 in)
Seat Height: 960 mm (37.8 in)
Wheelbase: 1,470 mm (57.9 in)
Ground Clearance: 365 mm (14.4 in)
Dry Weight: 102 kg (225 lbs)
Engine type: Air-cooled 492 cc single cylinder 2-stroke, Full Reed.

Click on the image for larger format.






More: Suzuki RM-RMX model series

More: All Suzuki models


Sources: Roy Bacon's Suzuki, the specs kindly sent by Justin Smith,
more facts and pictures provided by Andrew Ringdahl. Thanks!


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