MY WIFES FOREMAN 400 "96" MODEL NEEDS NEW TOP END QUESTION IS THE STOCK PISTON IS 87MM CAN I BORE IT TO A FOREMAN 450 WHICH PISTON SIZE STANDARD IS 90MM AND USE THE SAME HEAD AND VALVES ETC HAS ANY ONE DONE THIS LMK THANKS
MY WIFES FOREMAN 400 "96" MODEL NEEDS NEW TOP END QUESTION IS THE STOCK PISTON IS 87MM CAN I BORE IT TO A FOREMAN 450 WHICH PISTON SIZE STANDARD IS 90MM AND USE THE SAME HEAD AND VALVES ETC HAS ANY ONE DONE THIS LMK THANKS