KTM85SX and Husky TC85 12DEG 2018-on Complete Rebuild Kit – TSP

This TSP complete rebuild kit will suit KTM85SX and Husky TC85 models from 2018 with a 12 degree piston. It will also suit the Gas Gas MC85 2021 Model. Image is for illustration purposes only and you will receive the correct parts for your model.

Please note: KTM 85 2025 models run 0.01mm size larger stock piston than previous years model. Piston size ‘B’ will be the same size an OEM ‘A/Group 1’ for a 2025 model. For example, your first rebuild will be a ‘B’ not an A.

Sizing ~ A: 46.94mm / B: 46.95mm / C: 46.96mm

This CANNOT be used with the standard head, and can only be used with 12 degree designed heads.

It includes:

• 12 Degree Piston kit in the size of your choice (A or B). Piston kit includes rings, pin, circlips and a high quality cast piston with anti-friction coating. These pistons are made in Italy and are THE BEST available.
• Complete gasket kit. Includes a selection of base gaskets, powervalve cover gaskets and O rings… all O rings are the correct size and made from the correct material, unlike the cheaper aftermarket kits.
• Genuine KTM/Husky centre case gasket
• Pro X con rod kit (includes little end bearing). Made in Japan.
• Left and Right main bearings. Usually NTN or KOYO. Made in Japan.
• Complete engine seal kit. Includes all oil seals, crank seals, water pump seals, etc.

TSP rebuild kits are put together by TSP using parts sourced direct from OEM manufacturers in Japan and Europe. The parts we select are THE BEST available for each make/model and many are the exact same parts as the genuine items. All TSP rebuild kits are kept in stock at TSP.

Piston sizing: ideally you should measure your bore with a dial gauge to work out the correct piston sizing. If you cannot do this then a rough rule of thumb is use an A size under 100 hours of engine run time and use a B size over 100 hours of engine run time. Its ALWAYS better to have a bit too much clearance than not enough, so if in doubt use an A size.

Additional information