Question about 2005 Yamaha Xv 250 Virago S
I have a Yamaha 250, sat for 2 years, cleaned out carburator, replaced air filter, oil filter, oil, spark plugs, gas was emptied and replaced...Now the problem is it will not start, engine turns but seems as if gas is not going into chamber and I pulled spark plugs and they are dry. Can anyone guide me at this point. Thank you
If you did not put in a new battery, try that. Your old battery probably doesn't charge up enough.
Posted on Dec 07, 2012
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Posted on Jan 02, 2017
SOURCE: oil leaking out of overflow
just check the crankcase filter to make sure it isn't stopped up if it is that will make the crankcase build up pressure and blow the oil out
Posted on Jan 28, 2009
Does the bike backfire only when the throttle is being closed? The carbs have a idle enrichment circuit. If the idle enrichment diaphragms are stuck in the closed position, the bike will backfire when the throttle is shut down. You can't remove these parts for cleaning without seperating the two carb bodies (and then needing to synchronize the carbs after reassembly). A trick that worked for me...fresh fuel, and some fuel system cleaner in the tank...ride the bike at highway speeds for 20 -30 minutes...repetedly rev the engine to a high RPM then shut the throttle closed. The repeted application of high engine vaccum to the enrichment diaphragms freed the stuck diaphragms and the fresh fuel cleaned any gum and varnish that caused the trouble. I've put 20,000 miles on it since then with no backfiring.
Posted on Jun 16, 2009
SOURCE: won't idle steadily
Check the rubber boot that joins the carby to the engine to often have seen the hose clamps over tightened therefore creating a split in the rubber letting to much air in giving the rough idle eventually you wont be able to start it at all (have a good thorough look inside an outside of boot doesnt take much)
Posted on May 22, 2009
2005 V-Star 1100 Classic - Spark plugs
While someone may be able to change SP's w/o removing the gas tank, most normal humans will find doing so impossible. Removing the tank is easy. Here are the steps/tips for changing your SP's
1. remove the passenger seat - 1 screw at the rear and pull toward the rear of bike.
2. remove rider's seat - 2 screws and pull the toward rear of the bike.
3. turn gas valve to off; some gas will leak during the next steps, so have a wad of paper towels or your wife's best nighty to sop up the gas (maybe a tablespoon).
4. pinch the hose clamp that secures the gas hose to the gas valve body and slide the clamp away from the valve body stem.
5. pry the hose from the gas body stem; I used a very slim flat screwdriver. This is where you mop up the gas.
6. remove the two screws at the rear base of the gas tank; ALSO - there is a small black plastic connector on the front side of the battery case that connects the tank to the battery case. The head is round, about the size of a nickel. Push the center pin in the head of this connector down a bit with an allen wrench, for example. Then, pull the connector up and out. S/B easy. If you drop it into the chassis guts, good luck.
7. slide the tank toward the rear of the bike. Easy! There is an electrical cable between the bike chassis and the tank, so you cannot, or need not, "remove" the tank to the floor or workbench. I "balanced" the tank across the chassis over the battery box and secured it in place with some bungee cords. Secure the tank as it will slide off.
8. Tip: the rear SP is on the right side of the bike as you sit on it. The front SP is on the left side of the front cylinder.
9. Remove both plastic head covers, one over the rear SP and one over the front SP, pulling straight out away from the bike. They are held by rubber grommets only, but they were not easy for me to pull out. They are plastic, so if you pry them, be careful! Yamaha probably charges $50 for a new one (cost to mfg = 17 cents).
10. use the SP socket and the box end wrench in the bike's tool kit to remove the plugs. It's a bit tricky, but not bad.
Putting it all back together is not bad. I did it and am not a mechanic. Just take your time. Doing it yourself will probably save you $60 or more. Good NGK plugs at the auto parts store were $2.50 each. Probably $6.95 at the Yamaha dealer.
Posted on Mar 15, 2011
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