Ruttly
Serious Thumper
Offline
Thumpers Rule
Posts: 5112
Manteca , CA
Gender:
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For total overall performance the SR500 is a better engine , but I already have one , so I needed another project. RYCA tracker original plan was find the donor bike ,put nice exhaust on it and rejet stock carb and call it done. But oh no , two things changed all that , first is I found this forum and all goodies to be had from here and a great membership complete with technical support and second was I found my donor engine leaking oil between the two main cases. Darn the bad luck now I had to tear down a engine with only 809 miles on it. Upside of that was I get to build the engine. Finding that this engine has its draw backs , a simply horrible exhaust port and a crankshaft/flywheel/rotor that is incredibly heavy and flimsy clutch basket , amongst some other issues. But it has two outstanding attributes it's a big 650 single with a happy button. I will spare you all the long a$$ list of engine mods , but it is much improved over a stocker as far as power , now we will find out if it will stand up to the test of time !
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