4 stroke
Run your EFI bike on premium fuel
Fit a faster action throttle cam / throttle
Polish the ports on your 4 stroke - you will neeed to remove the head or fit the alloy manifold below which allows the fuel air mixture to enter the engine with less restriction , hence increasing responsiveness
Fit a flywheel key as below - they work increasing throttle response and bottom responsiveness
Fit the correct sized front sprocket for your riding style
2 stroke
Fit a faster action throttle cam / throttle
On your 2 stroke burr out and increase the internal size of your rubber manifold . If you mess up dont worry they are inexpensive and we have them.
Smooth out the ports
Fit a flywheel key as below - they work increasing throttle response and bottom responsiveness
Fit a performance carburettor which are economical and work well on the TSE 250 and TSE 300. They come with jets and are ready to fit
Fit the correct sized front sprocket for your riding style
Joe Henner 250E flywheel advance key
Flywheel puller required is right hand thread M28 P1.0 internal RIGHT hand thread. GPX do not sell them but they are widely available. Search facebook GPX pages for fitting instructions.
Joe Henner FSE 300 450 FLYWHEEL ADVANCE KEY
Flywheel puller required is right hand thread M28 P1.0 internal thread. GPX do not sell them but they are widely available. Search facebook GPX pages for fitting instructions.
Joe Henner Motorsports TSE 250 Flywheel advance key
Flywheel puller required is yamaha part no 90890-01080 . GPX do not sell them but they are widely available. Search facebook GPX pages for fitting instructions. If you are insure , do not attempt and obtain the services of a professional . We have sought advice and it is possible that the cover gasket may rip , so be prepared with a new one or some sealant
TSE 250 11T front sprocket
Do you never use 6th gear?
Do you want to lower your gearing for off road riding?
This 11 tooth front sprocket will do the job and is the equivalent of adding 4 to the rear sprocket. Also you shouldn't have to alter your chain length at all , saving you time and money.
Quality steel GPX foot pegs. Very strong and hard wearing. FITS ALLMODELS
Quality steel GPX foot pegs. Very strong and hard wearing. FITS ALLMODELS
Carbon Fibre effect GPX TSE 300 Tough impact plastic engine protectors Carbon Fibre effect
GPX TSE 300 Tough impact plastic engine protectors
2022-2025 FREE POST New boxed K tech rearshock spring for LINKAGE TSE 300 YOU TELL US THE SIZE SPRING
2023-2025 New boxed K tech rearshock spring for LINKAGE TSE 300 YOU TELL US THE SIZE SPRING
Choose the spring rate that's right from you.
Use our guide on the spring section of our shop page
K-Tech shock springs are manufactured from the highest grade Chrome Silicone wire, each spring is cold coiled, heat treated, pre-set and ground to length. Phosphate coating is then applied to protect against corrosion and then powder coated before the part number is applied. All springs are manufactured to DIN 2095 grade1.
Pair Fork springs to fit ALL MODELS - NOT TSE 300 PRICE INCLUDES SHIPPING
Pair Fork springs to fit ALL MODELS - NOT TSE 300 PRICE INCLUDES SHIPPING
Price includes shipping
Choose the spring rate that's right from you.
Use our guide on the spring section of our shop page
K-Tech fork springs are manufactured from the highest grade Chrome Silicone wire, each spring is cold coiled, heat treated, pre set and ground to length before being polished for ultimate performance. All springs have their rate laser etched on the end and are manufactured to DIN 2095 grade 1.
- Cold coiled
- Heat treated
- Tempered
- Shot peened
- Ground ends
- Polished for reduced friction and smoother performance
- Part number etched
Pair Fork springs to fit TSE 300 PRICE INCLUDES SHIPPING
Pair Fork springs to fit TSE 300 PRICE INCLUDES SHIPPING
Price includes shipping
Choose the spring rate that's right from you.
Use our guide on the spring section of our shop page
K-Tech fork springs are manufactured from the highest grade Chrome Silicone wire, each spring is cold coiled, heat treated, pre set and ground to length before being polished for ultimate performance. All springs have their rate laser etched on the end and are manufactured to DIN 2095 grade 1.
- Cold coiled
- Heat treated
- Tempered
- Shot peened
- Ground ends
- Polished for reduced friction and smoother performance
- Part number etched
Tough impact plastic TSE 250 engine protectors
Tough impact plastic TSE 250 engine protectors