So I've had trouble starting my 02 fs650 berg since I got it a few months ago. The kick start has basically snapped so electric start only at the minute. How ever it's got the r6 starter on it,it manages to turn the engine over once nd then just spins. Rang dave Clarke and they basically said the auto decomp spring has either come off or isn't working good enuf.so basically where is it and how hard is it to change the spring.i am a mechanic but never had anything with a decompressor before, any help or pics would be great
Fitting decomp spring
- Thread starter AdamBrocklehurst
- Start date
The more I read the more confused I get. I thought it would have a decompression spring on the gear on the end of the cam. But as I've looked about it seems it's not,it's the lever on the right hand side of the engine and it works off a cam that's connected to the wire on the side, help confused
Joined Nov 2001
17K Posts | 774+
Ely, England
the auto decomp IS on the sprocket end of the cam. the one with the wire is your manual decomp that you use.
you won't get a 2002 to start on the leccy boot without major expense and labour. the decomp is just the first of many jobs.
regards
Taffy
you won't get a 2002 to start on the leccy boot without major expense and labour. the decomp is just the first of many jobs.
regards
Taffy
Cheers for clearing that up So id better practice at kicking it, nd what u mean the first of many jobs :-/
Joined Aug 2008
756 Posts | 156+
England, Southampton
Hey Adam,
You're going in the right direction with the R6 starter and auto decomp. Can't find the links on my phone but when I fire up the PC tomorrow I'll dig them out.
With your new starter motor you'll need,
An uprated decomp, new version,
Timing spot on,
Valve clearances spot on,
Starter clutch/Sprague in good condition,
And a decent battery,
That should see your bike starting a lot more reliably assuming everything else is OK.
My 650 would just about start cold on the leccy boot but I only used it as a re_starter.
Carl
You're going in the right direction with the R6 starter and auto decomp. Can't find the links on my phone but when I fire up the PC tomorrow I'll dig them out.
With your new starter motor you'll need,
An uprated decomp, new version,
Timing spot on,
Valve clearances spot on,
Starter clutch/Sprague in good condition,
And a decent battery,
That should see your bike starting a lot more reliably assuming everything else is OK.
My 650 would just about start cold on the leccy boot but I only used it as a re_starter.
Carl
If its that much trouble nd if I can actually kick it up I might just take it off nd blank it off some how,the bike has had a load of money spent on it at some point,I wunt mind giving it to some 1 to give it all the once over like the decomp and valves etc but I'm scared of the bill il get back lol
Joined Aug 2008
756 Posts | 156+
England, Southampton
Have a look here Adam, Poor Starting from the owners doc.
Loads of things to check and set before you start spending too much.
Thanks to Keyefess for having this link on his signature.
Main Page - Owner's Doc
Loads of things to check and set before you start spending too much.
Thanks to Keyefess for having this link on his signature.
Main Page - Owner's Doc
I haven't actually spent anything yet,it's already got the r6 starter on it,ye I'm not guna sell it no way,it's just so much fun to ride and fast.all the help is much appreciated
Think I've given up with the idea of keeping the bike,after trying on about 5 occasions for half an hour at a time I've managed to have it running twice for a few seconds then it's cut out,when I bought the bike the lad fired it straight up in one kick.pretty sure it's just me that's the problem just can't kick it up :-( so not sure what to do
Joined Nov 2001
17K Posts | 774+
Ely, England
Change my mind a lot, it's changed back now lol,but what really is correct procedure for starting? I can get a good kick sometimes,but I'm not sure I'm kicking from tdc nd I no ul never get any 4 stroke started with out doing that,I can defiantly find the compression stroke tho lol
It's not that I'm tight,well might b a bit lol how much would something like that cost or is it just a case of u won't no till u look
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