Specs compared
KTM 65 SX 2027 vs KTM 85 SX 2027
Motocross, stock specs side by side. Each value names the page it came from; a blank on either side stays blank.
Printed differently: engine, stock gearing, chain pitch, front tire, rear tire, fork travel, shock travel, premix ratio, coolant capacity, seat height and weight. Checked 16 Oct 2026.
| Spec | KTM 65 SX 2027 | KTM 85 SX 2027 |
|---|---|---|
| EnginePrinted differently | 65cc 2T | 85cc 2T |
| Stock gearingPrinted differently | 14T / 48TOwner's manual p. 120 | 13T / 46TOwner's manual p. 125 |
| Final drive ratio | 3.43 : 1Calculated from the stock sprockets | 3.54 : 1Calculated from the stock sprockets |
| Chain pitchPrinted differently | 420Owner's manual p. 120 | 428Owner's manual p. 125 |
| Front tirePrinted differently | 60/100-14 M/C 30M TTOwner's manual p. 121 | 70/100-17 M/C 40M TTOwner's manual p. 126 |
| Rear tirePrinted differently | 80/100-12 41M TTOwner's manual p. 121 | 90/100-14 M/C 49M TTOwner's manual p. 126 |
| Fork travelPrinted differently | 215 mm (8.5 in)Owner's manual p. 120 | 278 mm (10.9 in)Owner's manual p. 125 |
| Shock travelPrinted differently | 253.5 mm (10.0 in)Owner's manual p. 120 | 289 mm (11.4 in)Owner's manual p. 125 |
| Premix ratioPrinted differently | 60:1Owner's manual p. 121 | 40:1Owner's manual p. 126 |
| Coolant capacityPrinted differently | 550 ml (18.6 fl oz)Owner's manual p. 118 | 800 ml (27.1 fl oz)Owner's manual p. 122 |
| Seat heightPrinted differently | 730 mm (28.7 in)Manufacturer spec sheet (research) | 845 mm (33.3 in)Owner's manual p. 125 |
| WeightPrinted differently | 54.3 kg (120 lb)Owner's manual p. 121 | 68 kg (150 lb)Owner's manual p. 126 |
Each value shows where it came from. The bike pages list the document, page and date checked. “Printed differently” only says the two documents print different figures; it is not a judgement of either bike.
Stock sizes at MotoSport. KTM 65 SX: 420 chains · Front tires 60/100-14 · Rear tires 80/100-12. KTM 85 SX: 428 chains · Front tires 70/100-17 · Rear tires 90/100-14. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.