| KTM500MX 1988 | |
| Engine type | liquid cooled 2-stroke engine |
| Cylinder | alum. cylinder, Nikasil coated |
| Bore/Stroke | 89*78mm |
| Displacement | 485cc |
| Performance max | 62HP |
| rpm at max.HP | 5900/min |
| Primary drive | straight geared spur wheel 29:76 |
| Clutch | multi disc clutch in oil bath |
| Transmission | 4/5-gear claw shifted |
| Final drive | 14:50T |
| Chain | 5/8*1/4" |
| Oil quantity | 0.8 liter SAE 30 engine oil |
| Cooling liquid |
1.3 litter, mixture rate anti-freeze:water=1:1 |
| Kickstarter | primary kick |
| Spark plug | Bosch W 2 CC |
| Ignition | Motoplat CDI |
| Ignition fly-wheel | - |
| Frame | Central chrome-mory-steel frame |
| Fork | Up Side Down front fork |
| Wheel travel fr./r. | 300/350mm |
| rear suspension | Central shock absorber with PRO-LEVER linkage to rear swing-arm with needle bearing |
| Front brake | Disk brake with carbon-steel brake disc 240mm, 2-piston brake caliper floated |
| Rear brake | Disk brake with carbon-steel brake disc 200mm, 2-piston brake caliper floated |
| Tyres front | 80/100-21 90/90-21 |
| Tyres rear | 120/100-18 130/80-18 |
| Fuel tank capacity | 9 liter |
| Steering angle | 63 |
| Wheelbase | 1480+-10mm |
| Seat hight | 960mm |
| Ground clearance | 385mm |
| Dry-weight | 224.4lbs |