Question about 1993 Yamaha Xv 250 Virago S
I just bought this bike its a 1981 yamaha virago 750, i put 800 bucks into it and it started for the mechanic but i cant get it to start at home. I know he said the starters on the viragos tend to go bad but i'm not sure if im even starting it right. do i need to hold the clutch down plus the choke to start the bike?
How long did the bike set un-used? After years, gasoline turns into varnish after evaporation of the aromatic hydrocarbons. I've actually seen a substance like molasses in all the carbs and the gas tank. Take a bowl off of a carb and see what you find. If it has gone to varnish, you will need to disassemble every component that gasoline touches as a liquid and re-build and clean out the gunk. (yes, gas tank too and the diverter valve) This is a common problem.
Posted on May 20, 2009
Using oils that exceed the 1981 specifications could be too slick for the starter clutch to grab. I first noticed my clutch slipping / rattling after I used Mobil One, Mobil 1 oil, thinking I was making an improvement, I suspected the wet clutch and starter clutch which is immersed in the engine oil didn't like the extra slippery qualities of Mobil 1 and so I put something like 10/40 or 20/40 Castrol GTX in the engine and the starter started performing much much better, occasionally if the cranking RPM's get too high or engine gets hot it will slip and rattle but I release the starter and wait until it stops to try again. Holding the button down for any length of time while it's slipping is going to ruin the starter clutch more.
With continued proper oil and use it may improve altogether.
It may be difficult to find oil with 1981 ratings by SAE as they are replaced by newer oils which are slipperier and supposedly backward compatible.
That's my story. I have a 1982 Yamaha Seca XJ-750, I saw it on the cover of a Hot Rod magazine along with a Shelby Mustang and I figured it's gotta be HOT if Hot Rod is endorsing it, I bought it a year later and still have it, 11 second quarter miles, 2 valve technology and no radiator or chain drive to mess with.
Posted on May 21, 2009
I have 1982 xv750 all connections are clean ground is good but no spark when turning over would a bad silnoid prevent spark ?
Posted on May 26, 2009
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Posted on Jan 02, 2017
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