I have a 1981 Yamaha enticer e250 with a Keinin carb that hasn't run for years & years. The carb was removed & took it to a local snowmobile shop and they put in a new gaskets & diaphrams. I installed it & mixed gas with oil 50:1. Thought it would be better to foul a plug than run dry till bled air from oil system. I primed it with squirt bottle & fires up. I bypassed the shut off valve on side of oil tank
to be sure it wasn't that. Did pull carb apart and looks like everything is ok, but did clean and jets or holes to be sure. Since I didn't remove it originally looked like fuel line goes into silver colored nipple on side(top) and lower brass colored(bottom) nipple was vacuum line to block. needle valve was sticky but I cleaned seat & wiped needle dry. It will not run on it's own. Doesn't seem to be pulling any fuel into carb. Can't see any fuel in clear tube running up side of carb. I would greatly appreciate any feed back as I am trying to get this thing running for the kids on christmas.
to be sure it wasn't that. Did pull carb apart and looks like everything is ok, but did clean and jets or holes to be sure. Since I didn't remove it originally looked like fuel line goes into silver colored nipple on side(top) and lower brass colored(bottom) nipple was vacuum line to block. needle valve was sticky but I cleaned seat & wiped needle dry. It will not run on it's own. Doesn't seem to be pulling any fuel into carb. Can't see any fuel in clear tube running up side of carb. I would greatly appreciate any feed back as I am trying to get this thing running for the kids on christmas.
Keinin carb troubleshooting
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