Your clutch and transmission share the same oil on your classic KTM. BelRay gear saver trans oil is a good choice. The 75w is a more common choice for the 2 strokes but I think 80w should be just fine. Good luck. Be sure to post up photos of your classic Kato when possible. rooster tail----it's cool. Yamaha YZ85 Engine and Transmission Technical Data: Engine type - Number of cylinders: Single cylinder, two-stroke : Engine details: Reed-valve-inducted : Fuel system: Carburettor. Keihin PWK 28 : Engine size - Displacement - Engine capacity: 85.00 ccm (5.19 cubic inches) Bore x Stroke: 47.5 x 47.8 mm (1.9 x 1.9 inches) Compression Ratio: 9.6:1 2019 KTM 125 SX (125) Motor Oil, Filters and Lubricants - AMSOIL Capacity: 0.85 Quarts. 2019 KTM 125 SX Transmission Fluid. 2019 KTM 85 SX (85) Motor Oil, Filters and Lubricants - AMSOIL Canada Capacity: 0.5 Litres. AMSOIL 100% Synthetic Dirt Bike Transmission Fluid 2019 KTM 85 SX 1724 posts · Joined 2008. #10 · Apr 12, 2021. l’ve used this gearbox oil and 2 stroke oil in my TPI’s for the last 3 years, no problems and 2 of them did over 100 hours. Why don't I bounce anymore, the ground never used to be this bloody hard 🤷‍♂️. GasGas EC300 2021 😎. Which oil is best for your KTM 65 / 85 / 105 SX 65 SX (2016 and after)? Complete professional advice, including motor oil, transmission oil and lubricants for the brake system and cooling system. The TC 85 is offered in two different options to suit those looking for a specific wheel size to correspond with inseam and off-road challenges. KTM 85 SX 19/16 and 17/14, Kawasaki KX85, and The KTM´S 85 SX is the ultimate racing bike for professionals aged between 11-15 years; seat height from 900 mm. The frame, together with the 43 mm WP Upside-Down fork and the fully adjustable PDS System makes easy work of all those difficult jumps. General information. Model. KTM 85 SX 17-14. Year. Rating. 3.6 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. Engine and transmission. Displacement. 293.2 ccm (17.89 cubic inches) Engine type. Single cylinder, two-stroke. Bore x stroke. 72.0 x 72.0 mm (2.8 x 2.8 inches) Page 85: Checking The Gear Oil Level MAINTENANCE WORK ON CHASSIS AND ENGINE Checking the gear oil level 9.111 Info The gear oil level should only be checked when the engine is cold. – Stand the motorcycle upright on a horizontal surface. Condition Engine is cold. – Remove gear oil level check screw . Page 86: Filling Up With Gear Oil nwnCFmh.