Posted by jrcouture on April 21, 2007, 9:51 pm
Bought it a few weeks ago, it ran, not well but it did.
Apparently it was originally a 600cc and was swapped for a 750.
Pulled plugs, replaced them - tested each against the engine bloc,
each sparked.
Pulled the carbs off. cleaned all the linkage, removed the float
needle and the jet. one was clogged, cleaned it out, replaced them
all.
Starter turns it over, and over, and over, and over - but ... nothing
fires.
I had been able to get it to run by spraying some carb cleaner in the
carbs while starting it - but even then it would only barely run with
the throttle wide open. it struggles, but it sounds like it wants to
run.
also, i had a hunch that it might only be firing on one or two
cylinders? this katana has two ignition coils that control alternate
cylinders, presumably one controlling the idle, and the other
controlling... i don't know - does any of this make sense?
what is my next step?
i can't afford hourly shop rates, please help.
-joe
Posted by Ian Singer on April 21, 2007, 9:57 pm
jrcouture@gmail.com wrote:
> also, i had a hunch that it might only be firing on one or two
> cylinders? this katana has two ignition coils that control alternate
> cylinders, presumably one controlling the idle, and the other
> controlling... i don't know - does any of this make sense?
>
I can't speak for your engine but on a GS650 the left plug (when sitting
on bike) fires cylinders 1 and 4, and the right one fires cylinders 2 and 3.
Ian Singer
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Posted by John Johnson on April 21, 2007, 10:56 pm
jrcouture@gmail.com wrote:
> Bought it a few weeks ago, it ran, not well but it did.
>
> Apparently it was originally a 600cc and was swapped for a 750.
>
> Pulled plugs, replaced them - tested each against the engine bloc,
> each sparked.
>
> Pulled the carbs off. cleaned all the linkage, removed the float
> needle and the jet. one was clogged, cleaned it out, replaced them
> all.
Did you replace all the jets in the carb, and did you verify that all
jets and passageways are clear of junk? That you can start it only by
spraying an accelerant makes me think that your pilot jets are plugged
up still.
If you haven't already, look up Krusty kritter's carb cleaning
insctructions (posted to this group many times in the past, look in the
archives via google, etc.). They're pretty thorough.
--
Later,
John
johajohn@indianahoosiers.edu
'indiana' is a 'nolnn' and 'hoosier' is a 'solkk'. Indiana doesn't solkk.
Posted by FOG on April 22, 2007, 8:08 pm
I assume that you have checked the fuel taps for flow? clogged fuel filter
in the tap?
> jrcouture@gmail.com wrote:
>> Bought it a few weeks ago, it ran, not well but it did.
>>
>> Apparently it was originally a 600cc and was swapped for a 750.
>>
>> Pulled plugs, replaced them - tested each against the engine bloc,
>> each sparked.
>>
>> Pulled the carbs off. cleaned all the linkage, removed the float
>> needle and the jet. one was clogged, cleaned it out, replaced them
>> all.
> Did you replace all the jets in the carb, and did you verify that all
> jets and passageways are clear of junk? That you can start it only by
> spraying an accelerant makes me think that your pilot jets are plugged
> up still.
> If you haven't already, look up Krusty kritter's carb cleaning
> insctructions (posted to this group many times in the past, look in the
> archives via google, etc.). They're pretty thorough.
> --
> Later,
> John
> johajohn@indianahoosiers.edu
> 'indiana' is a 'nolnn' and 'hoosier' is a 'solkk'. Indiana doesn't solkk.
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> cylinders? this katana has two ignition coils that control alternate
> cylinders, presumably one controlling the idle, and the other
> controlling... i don't know - does any of this make sense?
>