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fires but woant run

Joined Jan 2007
28 Posts | 0+
wigan / england
hi all my 98 501 fe fires but woant run and it gets fuel and a fairly decent spark dont know wot else to do as any one got any ideas wot to try thanks bri
 
Have you tried swapping parts from the 98? Carb etc..

Did you check for a cracked intake boot? How about pull/push starting?
 
sounds electrical. do you have a battery on this bike?

also if it is fuel, the pilot is working and the main isn't at a guess.


plug may be crying enough.

regards

Taffy
 
hi taffy no i dont have battery its neva had one and used to run great its got a brand new plug in thanks bri
 
"fires, but won't run"???? does that mean it pops like its going to start but doesn't? how about the valves? if they are ok, then what about a failing cam bearing or rocker bearing causing erratic valve clearances?

ned
 
hi i think i found my problem one ov the nuts on rockers had dissapeared into engine no damage tho do u think this was my problem wen i refit them do u think it will run ? thanks bri
 
you really must get those tappet locknuts tight - real tight! it's an ever recurring problem - ask froggy who has fragged the top end of his engine because of it.

don't be wimpy with the locknut ok?

yes it will have been your problem.

how are you going to try and get it out? it should be in your sidecover but whatever you do, don't run the bike again till you've found it. re-set and re-tighten all the tappets again.

regards

Taffy
 
hi taffy yes i found it in side case the valves are set at 0.10 mm is that right thanks everyone who posted answers you have a great site thanks again bri
 
Man, One Lucky Bugger you are. the nut came off and you found it without it damaging anything... Froggy, someone just does not like you....
 
i know i thought that my self very lucky bout time tho my 400 fe blew up shattering piston bending conrod and cracked barrel and bent out let valves all because they dnt have a limiter and i wuz running it hard
 
my bike still woant start it just fires and thats it anyone know ov anything else that could be wrong its got a spark it gets fuel dnt know wot else to try
 
i'd say its time to pull the old cam cover and have a look around at bearings, etc.

ned
 
ok i save this one till last but it always worked for me.

pour some neat petrol down into the sock. a thimble full. the carb will suck on that. used to get mine going everytime when i first got it.

another thing is that i found the ignitionm timing ******** by 8 degrees. i always had your problem but once i had advanced it - i never had it again!

regards

Taffy
 

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