maybe a heat problem?

eddiemunster · Mar 16, 2005

Hi guys long time no speak..anyway i have a problem with my 2000 fe4e. After riding an enduro at the weekend the thing started to stutter and then flately refused to start for about 15 mins kicking! Got back to the pits and let it cool of started fine and ran well in the pits and on the roads.took it back in the woods and it did the same again.The question is ..do you think the electrics are breaking down under heat? because when it was getting airflow on the road it was running fine.It has recently been rebuilt(new piston/rings/little end) but when we took it apart it was a tooth out on the timing it is now timed up perfectly and it ran fantastic until this weekend in the woods/technical section..help..stator/coil/...what is it..

Taffy · Mar 16, 2005

check for coolant

is compression on the foot still good?

you need to set the carb again as well. if everything is running sweeter. try turning the PS underneath in and out .5 turn and do what i call the snap wheelie test.

get the bike hot. get a tool loike the one you can see in my gallery. cost you a quid!

turn the screw in and out .5 turns and see which gives the best response? report here.

regards

Taffy

eddiemunster · Mar 16, 2005

everything o.k on the compression side..tHe motor was fully rebuilt..just seems to have lost spark once hot?..p.s whats a PS

berger · Mar 16, 2005

PS=pilot screw. I cant see that causing your problem myself.
I would give the electrical a good once over. Check for water intrusion, chaffed wiring or cracked insulation. I would check the stator specs agaisnst those in the hard start manual.

eddiemunster · Mar 16, 2005

of course..pilot screw..

..Yeah gonna check elec connections and stator specs.Thanks

BundyBear · Mar 16, 2005

From my bits of experience I would suspect your doubts about the stator might be correct.

If it is an intermittent fault (eg dry solder joint) in the stator, resistance measurements will likely not find a problem. Most of the time it works. Managing to take a measurement the instant it doesn't will be difficult.

When it won't start, can you spin the engine faster (eg tow or bump start it) and get it to go? It might help prove it one way or the other. The one I had eventually got to the point where it would not run at less than, I'm guessing, 4000RPM. Kick starting would not happen WAY before that point.

maybe a heat problem?

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