Question about 2000 Yamaha XJ 900 S Diversion

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1986 xj900 won't start smells like fuel when trying to start

Bike has been sitting for a while has started before but now when starting it smells like fuel won't even bump start

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  • Yamaha Master
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Hi, Jock if your bike has been sitting idle for months or years and you did not do any pre-storage maintenance I feel your pain it will probably have a dead battery and not want to start or if it starts it will idle and run poorly then stall, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition.
1. If your battery was 2-3 years old when you last had the bike running you should replace it.
2. If you believe your battery might still be serviceable remove it from the bike and put it on a 1 or 2 amp trickle charger for 24 hours. If it is the old lead acid type with visible cells and acid levels fill each cell to the top line with distilled water and replace the caps, run the vent tube into a plastic or styrofoam cup, any cells that are cloudy/milky replace the battery.
3. After charging remove the leads and let the battery sit for a couple of hours then check the battery voltage with a volt meter, you should have 12.5 volts or better, any readings in the 11 volt range you need to do a proper load test on the battery and replace as necessary, any readings in the 10 volt range you have a dead cell and the battery needs to be replaced.
4. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
5. Remove and inspect your air cleaner paper elements that are not oil soaked can be cleaned with a soft brush and low pressure compressed air, oil soaked elements must be replaced. Gause mesh and foam elements can be cleaned by soaking them in a container big enough to completely cover them with a solution of 1 gallon of water and 1 oz. of Dawn dishwashing liquid for small and medium size elements, for monster size double the formula and let soak for at least one hour then rinse with warm water shake off excess and let air dry, "WARNING" do not use compressed air as this will embed micro-sized dirt and road grime and destroy the mesh pattern and stretch foam elements out of shape just squeeze it like a sponge and let air dry, use a fan if you're in a hurry. When completely dry spray a very fine mist of air filter oil evenly around the whole element.
6. Remove the carburetors, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
7. Remove fuel valve and filter disassemble and clean as necessary, remove, clean, and inspect fuel and vacuum lines and replace as necessary.
8. Replace spark plugs with new ones and check for spark.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Yamaha Diversion won start
cranks but won start FZ1OA Message Board
Yamaha 95 XJ900S Service Manual
OEM parts for Yamaha
Yamaha Diversion 900 Owner Manual

Posted on Dec 13, 2016

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SOURCE: 95 xv750 Virago fuel leak

Probabilly a stuk carburettor float or needle.
Try to solve this problem to gently tap on the carburettor bodies. If this doesn't help you have to clean out the carburettors, and/or replace the float neeldes

Posted on Apr 02, 2009

a00gha
  • 21 Answers

SOURCE: not sure why my bike wont start

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

  • 14 Answers

SOURCE: bike in neutral will not start

could be kickstand switch or neutral switch. also check kill switch. starter relay should be under seat by main electrical harness with rest of bike relays.

Posted on May 26, 2009

  • 3567 Answers

SOURCE: Battery died, replaced with new one but still won't start.

The old battery must have shorted out internally. That is why it went dead out of the blue.
Here are my thoughts, in random order, on other possibilities >

  • Get a 2amp trickle charger and charge the battery for 6 hours. The starter could be robbing most the juice leaving too little for a good spark. pull the spark plugs and replace with a set of stock plugs. Check for spark.
  • A kill switch is on.
  • Check the fuses
  • Petcock fuel pickup screens are plugged up.
  • Water in the fuel
  • Fuel pump (if it has one) may have lost it's prime, become plugged up, or quit working.
  • The engine may just be flooded.
  • the CDI / computer may have reacted to the battery short and gotten fried.
A “very helpful” rating for this answer? Thanks!

Posted on Jun 12, 2009

  • 1 Answer

SOURCE: Stalling problem from neutral to first gear

I'm having the same issue with my 82 xs 400. Mine hasn't been sitting at all though. I rode it home two weeks ago. I put different bars on it, took off the mufflers and that's really about it. It starts and idles fine. If I put it on the stand and put it in gear, it will go through the gears with the wheel in the air spinning freely. Once I sit on it and put it in gear to go, it shuts off. I don't get it.

Posted on Sep 16, 2010

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