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Discussion Starter · #1 ·
i just bought a 05 motor for my 04 pro xr and getting ready to install it. the motor has a little nipple in the plate right below the carbs with a hose coming off of it and goes up to the head. the racer who first had this motor filled the hose up with oil before every race to further lube the center bearings. does this eliminate my need to do the case mod....or should i still drill that hole?? and also i needed to take the exhaust valves off of my blown out 04 motor and switch them to the 05 motor. when i took them a part there was a fair amount of oil in them.....that normal?? thanks!
 
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