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sprtrx300ex
07-13-2004, 10:42 AM
Im buyin a 1986 Xr80 to mess around on. Im going to change the oil, the gas, and put in a new spark plug.

What type of oil should I put in? 10-40? How much?

Does anybody know the NGK plug # for an Xr80?

FTR250Rnif
07-13-2004, 10:48 AM
use the honda oil. Gn-4 or sumething liike that. b8es ngk plug is pretty much a universal plug. i ran them in my YZ and nacsracer12 uses them in his 300ex;)