Kawi2strokes.com Forum

http://www.smebike.com/kawasaki-z1-z900 ... =1&model=1

Anybody using these, are they good?

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1973 Kawasaki 750 H2A,
1969 Garelli Rekord 50cc,
1985 Ducati Mille MHR.

I didn't purchase mine from this vendor but have run the Viton tipped float valves for about 2 years without issues in my '72 H2. I think I may have purchased ine from a Canadian vendor?

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1972 Kawasaki H2 Mach IV (Candytone Blue), 1976 Suzuki GT750 (Maui Blue)
1984 Yamaha RZ350 (KRR- Yellow/Black).

“Jeff and Chris are THE MEN!”
RIP John E. Evans

So Viton is resistant against modern fuel?
What are the benefits for Viton valves over normal ones?

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1973 Kawasaki 750 H2A,
1969 Garelli Rekord 50cc,
1985 Ducati Mille MHR.

Yes, Viton resists modern fuel well. The idea is that Viton tipped float needles seal better under vibration, and don't wear themselves or the seat as fast as stock needles. Both types work fine though. If you keep an eye on the stock type and change them when they get a ring worn from contact with the seat, they're fine. It takes quite a few thousand miles to get them worn to that point.

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If it surges, that's normal, upshift.

Yes bought them from this vendor and they work well. Had lots of replacement leaking fuel valves but since swapping to these Viton ones have been leak free for the past 12 months. Postage from New Zealand to the UK took less than a week.

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https://kawatriple.net

Great!
They shipped them to me (Netherlands) very fast as well, and low shipping costs..
I think all in all, it's a real bargain...!!

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1973 Kawasaki 750 H2A,
1969 Garelli Rekord 50cc,
1985 Ducati Mille MHR.