help needed, broken xj600s

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New to XJR
New to XJR
Posts: 1
Joined: Fri Oct 27, 2017 11:51 am
Region:: Monmouthshire
Motorcycles:: xj600s
Great Britain

Fri Oct 27, 2017 2:58 pm

Hello, I'm Paddy. Owner of a 98 (R reg) XJ600S. Last week my bike died on me whilst riding. No coughing or spluttering, just a loss of power. We have 150psi on each cylinder, new fuel pump, new battery and good blue sparks on all four. Fuses checked. Carbs have been cleaned very carefully (good old you tube), pilot jet especially. It will fire up nicely when fuel is poured into each carb, roars evenly then dies again. All mayonnaise (solidified oil) is cleared from the lines, new air filter too. I have had loads of help from friends, yamaha dealership, bike mechanics and people who don't know which end is the front. Please suggest anything however absurd as it is my only means of transport. Cheers, Paddy.
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XJ Enthusiast
XJ Enthusiast
Posts: 537
Joined: Wed Mar 06, 2013 4:30 am
Region:: Helensburgh, Scotland
Motorcycles:: 1999 XJ600N
Great Britain

Fri Oct 27, 2017 11:48 pm

I'm assuming you have the fuel tap on prime whilst doing this? Maybe the petcock isn't allowing fuel through.
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Lookin' Around
Lookin' Around
Posts: 13
Joined: Thu Apr 13, 2017 1:10 am
Region:: Outside US/CA
Motorcycles:: GSX-R Xj600 Diversion

Fri Nov 24, 2017 6:53 am

Yeah I'd 100% check its getting fuel suspend a fuel bottle in the air and run that into the fuel pump and try again I recently rebuilt my fuel tap kit cost around £13 and was easily done within 15 minutes.
Took longer to drain my fuel tank than to change the seals and gaskets feels good to have a working reserve again :)
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Site Founder
Site Founder
Posts: 8632
Joined: Mon Nov 07, 2011 12:42 pm
Region:: Rocky Mountains
Motorcycles:: '92 XJR600, '92 Seca II
Location: Denver, CO
United States of America

Wed Nov 29, 2017 12:21 am

How does the inside of the tank look? Rusty? Clean? And how about your petcock; does it work?
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