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    WTB SBN 44 single carb

    Looking for a good used sbn 44, pm me if you have one and a shipped price to 95949. thanks
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    650 coffman exhaust on 760 cylinders

    Gotcha I read a post somewhere that said the later manifolds were bigger for a 701. I guess not. But yeah thats what im going to do, try and match it. Its worth a shot since the pipe was basically free. My machine shop is a local old timer in my area who does mainly car motors, and my pops is...
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    650 coffman exhaust on 760 cylinders

    Thanks, I measured it and its only 42mm on the coffman. 47mm might be a squeeze with how close the water jackets are but Im about to see this morning when I take it in
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    650 coffman exhaust on 760 cylinders

    Interesting thread, thanks for the response and tips. Im going to take the manifold and head pipe to my machinist tomorrow and see how much he can machine out to match.
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    650 coffman exhaust on 760 cylinders

    Yeah I drilled out the stock manifold to 10mm bolts back when I did the conversion. I just bought thread inserts to go down to 8mm so I dont have to drill out the coffman manifold.
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    650 coffman exhaust on 760 cylinders

    So I have a 1990 superjet with a 61x single carb bottom that I grinded out to accept some 64U 760 cylinders. Ive been running it like with stock 61x exhaust for years now and its been ok, but Im going for more power and I have a full coffman exhaust off a 650 and want to put it on the 760. From...
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    Custom/Hybrid 61x/62t

    Is it possible to put a 760 cyl on a 61x bottom without grinding the cases?
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    sj762 great seller

    cylinder was in better condition than it looked in the pictures. Quick shipping and great price. Would definately buy from again
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    Super Jet Yamaha 701 Questions

    Nope. The fuel pumps are built into the sbn 44s
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