Thread: Zongshen 625cc
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Old 04-11-2021, 10:22 PM   #4
sho305
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Join Date: Jun 2009
Location: West MI
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Default Re: Zongshen 625cc

Using stock pump on my G9 to my clone. So its a 1992 pump and I have never touched it, works great. When I get over 5K rpm it can get a bit of oil in the pulse line which is a common issue at high rpm. I plan to change the way its hooked up and see if I can avoid that, but I don't run it that fast normally.
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