1985 Kawasaki KDX200
Specifications and workshop reference information for the 1985 Kawasaki KDX200, including engine, chassis, service data and setup details.
Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.
General Specifications
| Engine Type | 2-stroke, single-cylinder, piston reed valve |
| Displacement | 198 cc |
| Bore × Stroke | 66.0 × 58.0 mm |
| Compression Ratio | 7.7:1 |
| Carburetor | Mikuni VM34SS |
| Fuel Type | Petrol mix (32:1) |
| Lubrication | Premix |
| Starting System | Primary kick |
| Ignition | CDI system |
| Ignition Timing | 19° BTDC @ 6000 rpm |
| Spark Plug | NGK B9ES (C,U) / NGK BR9ES (I) |
| Headlight | 6V 25W |
| Taillight | 6V 5.3W |
Port Timing
| Inlet Open | — |
| Scavenging Open | 60° BBDC |
| Scavenging Close | 60° ABDC |
| Exhaust Open | 89° BBDC |
| Exhaust Close | 89° ABDC |
Transmission
| Transmission Type | 6-speed, constant mesh, return shift |
| Clutch | Wet, multi disc |
| Final Drive Type | Chain drive |
| 1st Gear | 2.692 (35/13) |
| 2nd Gear | 2.000 (28/14) |
| 3rd Gear | 1.533 (23/15) |
| 4th Gear | 1.235 (21/17) |
| 5th Gear | 1.041 (25/24) |
| 6th Gear | 0.869 (20/23) |
| Primary Reduction | 2.863 (63/22) |
| Final Reduction | 3.692 (48/13) |
| Overall Drive Ratio | 9.194 (Top gear) |
| Transmission Oil Capacity | 700 mL (0.74 US qt) |
| Transmission Oil Type | SE class SAE 10W30 or 10W40 |
Dimensions
| Overall Length | 2160 mm (85.0 in) |
| Overall Width | 890 mm (35.0 in) |
| Overall Height | 1250 mm (49.2 in) |
| Wheelbase | 1440 mm (56.7 in) |
| Ground Clearance | 340 mm (13.4 in) |
| Dry Weight | 101 kg (223 lb) |
| Fuel Tank Capacity | 12.5 L (3.3 US gal) |
Chassis
| Frame Type | Tubular, single down tube |
| Steering Angle | 45° |
| Caster | 26.5° |
| Trail | 135 mm (5.3 in) |
| Front Tire | 80/100-21 51M |
| Rear Tire | 100/100-18 59M |
Suspension
| Front | Telescopic fork (Air fork) |
| Rear | Swing arm (Uni-trak) |
| Front Suspension Travel | 270 mm (10.6 in) |
| Rear Wheel Travel | 290 mm (11.4 in) |
| Fork Oil Type | Kayaba G10 or SAE 10W |
| Fork Oil Capacity (each leg) | 631–639 mL (21.3–21.6 US oz) |
| Fork Oil Level (compressed, spring removed) | 148–152 mm (5.8–6.0 in) |
Brakes & Wheels
| Front Brake | Disc brake |
| Rear Brake | Internal expansion, leading-trailing |
| Front Disc Diameter | 220 mm (8.7 in) |
| Rear Drum Diameter | 110 × 30 mm (4.3 × 1.2 in) |
200cc Other Specs
Community
VMX Owners Forum
Discuss vintage motocross bikes, restorations, tuning and riding.