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Oct 12th 2016, 08:43 AM   #16
 DocB's Avatar
 
  Feb 2016
  Poulsbo, WA

  Aprilia RSV Mille, CBR600F, CB77
Agree on all that stuff because the fuel system is more likely to be the issue than no spark. IIRC you are right about the pump not working without the engine turning over. Relay can easily be bypassed for testing, pump is easy to test for flow, and carbs should always be taken apart and cleaned on any old bike that has been sitting. My money is on clogged jets and enrichment circuit passages.

But - he should verify spark before tearing into carbs, pump, relay etc. so that time spent on the fuel system will be sure to pay off.
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Edited by DocB on Oct 12th 2016 at 08:45 AM
Oct 13th 2016, 02:54 AM   #17
 victor's Avatar
 
  Aug 2016
  silverdale

  i have an 06 vxt1300 and a 94 cbr900rr
Got plug socket today. Will try to pull plugs tomorrow.

I'm having troubles trying to get the carbs loose ... I can see the screw clamps, but can't seem to get a screwdriver in to loosen them. Any tricks/tips?
Oct 13th 2016, 07:03 AM   #18
 
  Apr 2016
  WA

Quote:
Originally Posted by victor View Post
Got plug socket today. Will try to pull plugs tomorrow.

I'm having troubles trying to get the carbs loose ... I can see the screw clamps, but can't seem to get a screwdriver in to loosen them. Any tricks/tips?
Tiny Japanese hands.

But serious, if the clamps are in their correct factory locations and clockings they should be easy to get at with a long screw driver.

I did a job on a GSXR that had rubber plugs in the frame that allowed a 12" screw driver to reach through the frame rail and get at the single screw that clamped two throttle bodies down. Thought it was clever.
Oct 13th 2016, 08:00 PM   #19
 SamEyeHam's Avatar
 
  May 2016
  SW Portland

  2003 SV650S
Quote:
Originally Posted by victor View Post
Hello, I recently acquired a 94 cbr900rr off of Craigslist that "Only needs a stator and battery".
Err.. just curious... did you try replacing the stator and the battery?
Oct 15th 2016, 11:37 AM   #20
 victor's Avatar
 
  Aug 2016
  silverdale

  i have an 06 vxt1300 and a 94 cbr900rr
No, I haven't replaced either. He said it ran with a jump but didn't stay charged. Last bike I had with bad stator, I would charge, then ride and just charge again after the ride. Never had issues.

I put this battery on a trickle charger and let it charge up. It seems to hold charge fine.

I didn't want to throw a bunch of parts at it if I couldn't get it to run.
Oct 15th 2016, 12:02 PM   #21
 TimberMoto's Avatar
 
  Jan 2016
  Salem, Oregon

  2001 Gsxr 600
Been watching this thread, hope you get it running. I would test the stator & reg/rectifier to see if they're bad even though they don't contribute to the starting issue. I had a bad reg/rec on my bike and it left me stranded. Better safe than sorry. Good luck!

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Oct 16th 2016, 09:30 AM   #22
 
  Jan 2016
  Seattle

Long screwdriver, and specifically a JIS screwdriver. The screws in there are unlikely to be true phillips heads, and if they're stuck, you're much less likely to strip them if you have a proper JIS tool
Oct 16th 2016, 09:00 PM   #23
 victor's Avatar
 
  Aug 2016
  silverdale

  i have an 06 vxt1300 and a 94 cbr900rr
I went out today to pull the plugs...

Without thinking, I pulled the choke, hit the starter and it fired up. Ran smooth and sounded great. Tank has been off for about a week, so after a short while, it shut off.

I put a little fuel down each carb, and cranked again, it is back to crank no start and occasionally backfiring.

So any ideas on cause? Is it a fuel metering issue?
Oct 17th 2016, 09:02 AM   #24
 DocB's Avatar
 
  Feb 2016
  Poulsbo, WA

  Aprilia RSV Mille, CBR600F, CB77
My CBR600F will do the same thing if it sits. Not knowing how much fuel was available without the tank on, it's hard to say exactly what happened, but pouring fuel in the carb may not have given you enough atomized fuel to fire it. Probably wouldn't hurt to put a little Seafoam in the tank with the gas when you put it back on. That might help clear out any gunk in the metering circuit. Next time you try a cold start be ready to ride, with the tank on and fuel in it. Get it fired, let it warm up, and ride it around staying within pushing distance of your garage. With a bad stator you won't want to get too far away anyway.

Once you have it starting OK keep it on a trickle charger and start it and warm it up every week or two. That makes a big difference on my CBR. I guess warming it up before shut down it probably helps to keep all of the fuel circuits cleared out.

And do figure out that petcock. You need good fuel flow to the pump and carbs.
Oct 18th 2016, 08:09 PM   #25
 
  May 2016
  Kent

on the 93 and 94 900, you don't need a fuel pump at all, you can gravity feed it. If you want to take that out of the equation. I have a few 93-94's and have had one since new in 93, so I have many, many parts if you might need something, just ask I might have it .
Oct 23rd 2016, 01:52 PM   #26
 TimberMoto's Avatar
 
  Jan 2016
  Salem, Oregon

  2001 Gsxr 600
Any luck getting that beast running yet?

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Oct 24th 2016, 05:13 AM   #27
 victor's Avatar
 
  Aug 2016
  silverdale

  i have an 06 vxt1300 and a 94 cbr900rr
No. I ran down to oregon to help my dad. Hopefully back in a couple days and can get going on it again. Everything seems to be pointing to carbs ... so I think I'm going to try to pull and clean them.
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Nov 11th 2016, 04:16 PM   #28
 TimberMoto's Avatar
 
  Jan 2016
  Salem, Oregon

  2001 Gsxr 600
Any updates? Would love to hear it run. 😊

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