Motorcycle Repair: honda xr50, honda xr50, big bore kit


Question
I am putting a 88cc big bore kit and need to know ream gap and weather or not the valves need to be lapped. any other information would be greatly appreciated. thanks

Answer
Hi Nic,

Q:  I am putting a 88cc big bore kit and need to know ream gap and weather or not the valves need to be lapped.

A:  I recommend buying the repair (service) manual. Specifications can be found there.

Respectfully,
Mark Shively