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Posted by 1999 Drifter
 - November 10, 2011, 15:58:28 PM

I have a question.......... can backfire / popping be caused to lean of a fuel mixture

Thanks

Posted by Troll
 - November 10, 2011, 15:46:58 PM

The injectors are available from Bike Bandit, and the fuel pump has been upgraded to a newer design, not discontinued.
49033:
NOZZLE-INJECTION
828109          $73.00.........
http://www.bikebandit.com/houseofmotorcycles/kawasaki-motorcycle-vulcan-1500-drifter-vn1500r1-us-2001/o/m4418#sch66733

Posted by 49Reo
 - November 10, 2011, 14:51:10 PM
Quote from: jtuter on August 28, 2011, 21:44:22 PM

im having the same problem with mine,only pops at idle,or on deceledration.i took it to kawi shop,they said it has a bad fuel injector,the real bad news is kawasaki discontinued it,so now i have to find a used one,no luck so far!

That really sucks, Kawi discontinuing the injectors; I also heard that they have discontinued the fuel pump. Does anyone out there in Drifterland know of any aftermarket suppliers so we can keep our trusty bikes up and running? It would be a shame to have to park a bike over so small a problem.
Regards and such,
49Reo

Posted by 1999 Drifter
 - November 08, 2011, 06:54:13 AM

interested if you fellas fixed the problem and if so how

Thanks

Posted by jtuter
 - August 28, 2011, 21:44:22 PM

im having the same problem with mine,only pops at idle,or on deceledration.i took it to kawi shop,they said it has a bad fuel injector,the real bad news is kawasaki discontinued it,so now i have to find a used one,no luck so far!

Posted by txdrifter
 - August 04, 2011, 15:54:19 PM

Thanks, that will be my next check.  Haven't had a chance to get back in the garage since I posted so will give that a try this weekend. Was afraid I had sucked a valve or something. Thanks! Greg

Posted by Troll
 - July 27, 2011, 18:53:41 PM

Check the plugs....has a waste spark system, one coil fires the left plugs, one coil fires the right plugs...one bad plug, or fouled one, and this can happen....fouled a plug on my 98" dual plug shovel years ago while on a trip to Wyoming, and it did the same thing.

Posted by txdrifter
 - July 27, 2011, 15:13:12 PM

Pulled the bike out Sunday for a ride after having it garaged for a month or so.  Was about an hour in the saddle and noticed the bike backfiring every time I came off throttle.  Rode it home (another hour) and by the time I got back it was popping while sitting in neutral at idle. Cranked it this morning to ride and was again popping at idle. I didn't want to ride it not kowing what is wrong so left it home.  Any thoughts on what to check?

I have the old style cobra 2 in to 1 exhaust, power commander and have done the Cadmann mod to the air intake with rubber stoppers instead of marbles. No exhaust leaks I can find, and bike was running smooth last time I pulled it out for a ride. I'm baffled as to what is going on. Thought I would ask the board here before I go back and play with the settings on the PC. Shouldn't be the PC anyway, nothing has changed from the previous rides. Backfiring equals rich fuel mixture burning in exhaust, yes? What would change in a month? Hole in vacuum line or such?

All help appreciated. Thanks!

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