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Re: [GMCnet] OK, next Onan question [message #323666 is a reply to message #323650] Sat, 09 September 2017 17:01 Go to previous message
mghamms is currently offline  mghamms   United States
Messages: 466
Registered: March 2016
Location: Ware, Massachusetts
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Senior Member
Yea I don't know where the smeg came from but it did look like rubber. May have come from the 40 year old hose.

Ran real good till I changed the rubber mounts. made me think I disturbed something.

Running better than ever now.

Jim Miller wrote on Sat, 09 September 2017 13:31
On Sep 9, 2017, at 1:52 PM, Mike Hamm wrote:

> Next I removed the carburetor when I took it apart and cleaned there was a small piece of smegma, on top of the nettle valve seat, blocking (slowing) the fuel from entering the float bowl.


I've fixed a few with that exact problem; I expect that it is a piece of the seat material that has been attacked by alcohol and behaves sort of like a flapper valve to block the fuel coming in from the pump. The usual giveaway is the completely dry carb bowl that you find after the engine dies.

--Jim

Jim Miller
1977 Eleganza
1977 Royale
Hamilton, OH



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1977 Kingsley 455 as stock as it gets except lots of Ragusa parts
 
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