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Re: Timing a mag? [Re: 6T] #653830
05/22/16 7:12 pm
05/22/16 7:12 pm
Joined: Jan 2007
Posts: 550
Queensland, Australia
T
Tiger100 Online content
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Tiger100  Online Content
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T
Joined: Jan 2007
Posts: 550
Queensland, Australia
Did you actually have success 6T?


Regards

Grant
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Re: Timing a mag? [Re: 6T] #653866
05/23/16 7:08 am
05/23/16 7:08 am
Joined: Jul 2005
Posts: 604
back down the 'smoke',England
6T Offline OP
BritBike Forum member
6T  Offline OP
BritBike Forum member
Joined: Jul 2005
Posts: 604
back down the 'smoke',England
....well,I looked at the parts book & on the alternator model(6T) there's a key to locate the alternator to the crank.I'm getting one so when I get her up & running I can use a large drill to spin the engine forwards to check the timing in the future with a large 1/2" socket on said alternator spacer.I have ordered a small metal protractor which I'm going to fix permanently to the engine sprocket...photo's will explain better when I post next time...There WAS a spark a few days ago but it seems to have walked off! So Im going to hold the HT cable against the head with mole(?) grips to see if its the plugs/caps...Cheers!


...I do not and cannot accept the principal that incompetence justifies dismissal...
BMW R1100rt
6T 1965
T110 1958
Re: Timing a mag? [Re: 6T] #654930
05/31/16 8:10 am
05/31/16 8:10 am
Joined: Oct 2003
Posts: 11,138
North Georgia, USA
RF Whatley Online content
BritBike Forum member
RF Whatley  Online Content
BritBike Forum member
Joined: Oct 2003
Posts: 11,138
North Georgia, USA
If you can't fire a plug with the outer electrode ripped off, then it will never fire inside the cylinder under compression. Ignitions should be able to jump 1/8" or more in free air.


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes
Re: Timing a mag? [Re: Andy Higham] #654931
05/31/16 8:13 am
05/31/16 8:13 am
Joined: Oct 2003
Posts: 11,138
North Georgia, USA
RF Whatley Online content
BritBike Forum member
RF Whatley  Online Content
BritBike Forum member
Joined: Oct 2003
Posts: 11,138
North Georgia, USA
Originally Posted By Andy Higham
I wonder how many people are slavishly following the original timing and carburettor settings in old bikes?
I wonder how much performance they are losing?
I wonder how much fuel they are wasting?
I wonder how much more enjoyable their bikes would be after a day on a dyno?


I wonder why people add these arcane and self-promoting comments when the OP is simply trying to get the bike to crank and run ?

beerchug


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes
Re: Timing a mag? [Re: 6T] #654933
05/31/16 8:46 am
05/31/16 8:46 am
Joined: Aug 2001
Posts: 7,026
scotland
triton thrasher Online content
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triton thrasher  Online Content
BritBike Forum member
Joined: Aug 2001
Posts: 7,026
scotland
Turning the engine forwards with the alternator nut is likely to loosen the nut.

Good luck, but what I do is set timing static, at full advance, then check with a strobe, running the engine up to reasonable rpm, to check on timing behaviour.

If the timing is going to get erratic because of free play in the points pivot or similar fault, it will probably do it before you reach 4,000 rpm.

Having a spark and then not having a spark is strange. Retarding with the hand lever can make the spark very weak. Or the points may be oily- clean them by dragging dry paper through them.


Amateur Loctite enthusiast.
Re: Timing a mag? [Re: 6T] #655000
05/31/16 5:01 pm
05/31/16 5:01 pm
Joined: Jul 2005
Posts: 604
back down the 'smoke',England
6T Offline OP
BritBike Forum member
6T  Offline OP
BritBike Forum member
Joined: Jul 2005
Posts: 604
back down the 'smoke',England
...I will post some more 'photo's TT but I ordered the key for the alternator nut but got this instead.... With the crank locked with the correct one it'd be possible to turn the crank forwards with this nut...more to follow......





...I do not and cannot accept the principal that incompetence justifies dismissal...
BMW R1100rt
6T 1965
T110 1958
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