April 22nd, 2012, 12:37 AM | #1 |
ninjette.org member
Name: Josh
Location: Regina, Saskatchewan
Join Date: Mar 2012 Motorcycle(s): 1988 Ninja 250 Posts: 52
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Problems getting bike running
HI, I would like to say ninjette is a great resource, I have done quite a bit of work on my 87 ninja to help it get running again. It has sat for a while so i kind of assumed worst case scenario and went over everything.
So far I have: -Changed Oil & filter -Installed new spark plug wires and plugs -Adjusted valves (intake 0.004" and exhaust 0.005") -Cleaned Carb -Relined gas tank (was very rusty) -Rebuilt petcock -Replaced all fuel and vacuum lines, and installed a new inline fuel filter. So with high hopes me an another member who has been working on the bike with me @Csmith9, we turned over the bike and it did not start! However it did kick over when I sprayed carb cleaner into carb 2, but not when i sprayed it into carb one. -I know i have spark, i pulled both plugs and checked for spark -I know I have fuel, I pulled the fuel line and when turning over fuel pours out of the line (both in reserve and on) -I know we have vacuum, and resultantly air, because the petcock works. SO this is where I am confused. I am pretty sure the problem is with the carbs, so I took them off. Initially I noticed two things, the gas has a yellow tint to it from the gas tank lining. Also the floats were set at 15mm, so I moved them to 17mm. Other than that I feel the carbs are pretty good, I cleaned the jets and sprayed carb cleaner through all the passages. I did not "wire out the passages" on the carb itself, perhaps this is also a problem? Anyway this is my problem, I am pretty sure its something that can be figured out, so I am looking for help! any advice would be appreciated! |
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April 22nd, 2012, 07:12 AM | #2 |
vampire
Name: A
Location: IT
Join Date: Feb 2011 Motorcycle(s): 2 many 2 list Posts: A lot.
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The the kill switch on?
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April 22nd, 2012, 07:55 AM | #3 |
ninjette.org member
Name: Brian
Location: wixom MI
Join Date: Jul 2011 Motorcycle(s): 2007 250r Posts: 54
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I always remember from my dirt bikes as a kid:
If you have spark and you have fuel, it's the timing. We used to use a straw to drop fuel directly in the cylinder (after pulling the plugs to verify spark). If it fired for a moment, then you had a fuel delivery problem. If not, you had a timing problem. Those were two-stroke motors, not sure if that matters. We were ignorant to compression issues back then, too. |
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April 22nd, 2012, 12:00 PM | #4 | |
ninjette.org member
Name: Josh
Location: Regina, Saskatchewan
Join Date: Mar 2012 Motorcycle(s): 1988 Ninja 250 Posts: 52
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no, if the kill switch was on it wouldnt even turn over!
Quote:
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April 22nd, 2012, 12:31 PM | #5 |
vampire
Name: A
Location: IT
Join Date: Feb 2011 Motorcycle(s): 2 many 2 list Posts: A lot.
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April 22nd, 2012, 12:34 PM | #6 |
ninjette.org member
Name: Josh
Location: Regina, Saskatchewan
Join Date: Mar 2012 Motorcycle(s): 1988 Ninja 250 Posts: 52
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No I do appreciate the help. However I checked the spark and I had spark, which is a very good indication the kill switch is not on.
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