Question about 1978 Yamaha XS 400
I have a 387 cc engine its in a small dune buggy weight around 800 lbs i wanted to know what would be the best investment in performance mods . and are there any sites that offer any performance type parts this is a 2009 model with less than 5 hours i just plugged the model and year in below
The best bang for the buck is a race cam. Google performance motorcycle cams and then make a couple of phone calls. There may be a cam for your engine sitting on a shelf or you just send them your cam and they re-work it and send it back. The cost is around $250 plus the cost for your local bike shop to remove and then re-install the cam. Other mods do not even begin to add power the way a hot cam will.
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Posted on Sep 30, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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