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Post by jglen00 on Sept 24, 2019 18:52:20 GMT -5
Would anyone mind providing me with their feedback? Backstory: I recently purchased (2) 2006 Yamaha Vino 125cc with 40 original miles, that had been unridden and exposed for the last 13 years. Foolishly I thought buying them would be a great idea. It's been a nightmare but I've actually been able to get one to turn over recently, albeit for a moment before a very loud grind/clanking noise occurs. I am able to spin the flywheel by hand, and the Kickstart is not locked up, but making a whooping sounds, like gasping for air. I can also feel a pulse of air from the cylinder when starting without the spark plug so I do not think my piston is seized. I refuse to believe it, although it could very well be the case.
Here's a link to a video I made trying to start the engine after changing the oil, and bypassing most of the electric starting system due to corroded connectors, etc. Been on it for about two weeks. Lots of gremlins, lots of frustration.
Thanks so much
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Post by rdhood on Sept 27, 2019 16:58:16 GMT -5
This is where I would (did) start:
I'd drain any old gas out of it, and the carb bowl. Put some fresh non-alcohol fuel in there. Change the fuel filter. Look over the engine for cracked vacuum lines. Check the plug. while the plug is off, squirt a little blaster in there (or your fav small engine tuneup ). while the plug is off, put the coil on there and turn it over and check for spark. Put the plug back in. Turn the engine over a few times by hand to get it lubed. It will smoke when it starts. loosen the hose to the intake side of the carb and spray in some starting fluid. Turn it over. If you had spark, it should fire. If nothing is clogged and vacuum/fuel is working, it should run. If it doesn't, pull and clean the carb....
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Post by jglen00 on Sept 28, 2019 2:27:39 GMT -5
Thank you sir for your input 👍 Did pull the plug and checked for spark, and it's nice and blue. I will spray some starting fluid into the carb. I didn't know where I was to spray it, so thanks again for the tip. Any thoughts on the loud, grinding halt that happens after it tries to start? I haven't found anything online that sounds similar. Could it be something located in the head, or cylinder? I know my engine is not seized because I can crank it by hand. I have a short audio clip I will try and post
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Post by jglen00 on Sept 28, 2019 2:36:45 GMT -5
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