bottom of the left side of the frame by the shifter kinda.
The 2004 Viper Yamaha spark plug gap is .018. Most spark plugs will be pre-gapped by the spark plug manufacturer.
la
NGK Plug DPR8EA9
Where is the fuse box on a 2004 Yamaha Roadstar
One reason your Yamaha 2004 YFZ450 won't stay running might be that that model has a battery issue such that the battery isn't going to charge unless you run the lights all the time. Another reason might be that the jets in the carbs need cleaning.
.7-.8mm
not sure the wr will work ...
Stock main jet on the 2004 yfz 450 is 158.
It is located on the frame below your left foot.
nah it has a cdi just change the spark plugs
On the engine head !