this is a run down on the findings and how i did it.made a dead stop tool by takeing the centre out of an old spark plug threading m8 and adding an allen bolt protrueding 16mm out the bottom then locking the top with a nut.made a compleate 360 protractor the same size as the flywheel and stuck on with blue tack.made a pointer from a pin jamed between two washers and nuts on a long allen screw atached this to the top hole on the caseing that holds the stator cover inplace and alighned the point up to the centre of the nut holding the flywheel on. now adjusted the tappets and found tdc and turned back so the mark was at about 7 oclock pull the decomp leaver in and cable tie back now fitt the dead stop.put the 0 mark inline with the origenal tdc mark now turn the engine slowly anti clockwise till it stops wright down the reading mine was 11 degrees then go back clockwise untill it stops wright down that reading mine was 21 degrees add the two together and devide by two 11+21=32%2=16 now slide the protractor round until you can turn the flywheel clockwise and anti clockwise and the pointer reads 16 degrees both sides when it hits the stop.the 0 is now your true top dead centre mine was actualy 6 degrees past the factory mark.time the stator mark upto the new mark. it made mine easeyer to start instead of 15 to 20 kicks it took 4.power increase was noticed in the first 3 gears poping and bog down off the throttle was almost gone.still needs a stator rewinde but alot better.
Joined Nov 2001
17K Posts | 774+
Ely, England
wesh155 said:
things are disappearing off the opening screen sooooooo quickly nowadays! we must have increased posts by 50% since the force ride i reckon.
anyway, this thread was started by wesh, i asked him to do it.
HAS ANYONE ELSE EVER DONE THIS CHECK.
tuts! you were on about it?
so now that someone else has finally tried this how about the rest of you trying it?
regards
taffy
PS: apologies WESH for editing your original manuscript.
Joined Nov 2001
17K Posts | 774+
Ely, England
RE: Re: 650 dead stop method findings
man you lot don't bite easily do you!
armin from germany has checked his but his flyweheel was spot on. so that's three checks now: two were miles out and one was correct.
anyone else do this?
wanna do this?
tuts?
regards
Taffy
man you lot don't bite easily do you!
armin from germany has checked his but his flyweheel was spot on. so that's three checks now: two were miles out and one was correct.
anyone else do this?
wanna do this?
tuts?
regards
Taffy
RE: Re: 650 dead stop method findings
taffy i think they might be scared of what they might find.it defo worked for me and it gives you a good insight into how finely tuned these motors rearly are.my stator finaly gave up this week so its off to sparks i have no spark at all.cdi ok so put it down to the stator as the readings whernt great when i tested it last week.
taffy i think they might be scared of what they might find.it defo worked for me and it gives you a good insight into how finely tuned these motors rearly are.my stator finaly gave up this week so its off to sparks i have no spark at all.cdi ok so put it down to the stator as the readings whernt great when i tested it last week.
Joined Oct 2004
1K Posts | 14+
nova scotia
RE: Re: 650 dead stop method findings
I have a 02 fc470/6 I got from BMG a couple years ago that has always been a bear to start.The stator readings are exactly as the manual specs but it is very(read almost impossible) difficult to start.We always seem too busy at the shop so brought it home to see what i can find in my own work shop.
While going through the settings i needed to find TDC to check the timing marks and as my vernier calipers were in reach simply turned them upside down and extended the sliding thin end down the spark plug hole while turning the crank with a wrench.As the foot of the calipers will firmly seat on the outer edge of the plug hole it is very easy to simply bring the piston up to TDC and you can watch and find TDC exactly as the calipers slide to its maxium height.This is so easy and precise i cant believe I or anyone else has never used this method.
The timing marks on this engine are/were correct but the thing still wont start...YET!!!
I have a 02 fc470/6 I got from BMG a couple years ago that has always been a bear to start.The stator readings are exactly as the manual specs but it is very(read almost impossible) difficult to start.We always seem too busy at the shop so brought it home to see what i can find in my own work shop.
While going through the settings i needed to find TDC to check the timing marks and as my vernier calipers were in reach simply turned them upside down and extended the sliding thin end down the spark plug hole while turning the crank with a wrench.As the foot of the calipers will firmly seat on the outer edge of the plug hole it is very easy to simply bring the piston up to TDC and you can watch and find TDC exactly as the calipers slide to its maxium height.This is so easy and precise i cant believe I or anyone else has never used this method.
The timing marks on this engine are/were correct but the thing still wont start...YET!!!
Joined Nov 2001
17K Posts | 774+
Ely, England
Nsman
how many people doyou think have done this test? i would think we're still only at 6-7 on this site. and i don't have a digital vernier - i guess i can say i discovered this 'anomoly'.
it's good though that it works BUT my experience has always been (using a dial auge on a piston direct) that you still have TDC over 3 maybe 4 degrees minimum.
certainly to know if you are in the ball park i would think it's excellent but if i was set on scribing a new mark i would still use the dead stop method.
regards
Taffy
how many people doyou think have done this test? i would think we're still only at 6-7 on this site. and i don't have a digital vernier - i guess i can say i discovered this 'anomoly'.
it's good though that it works BUT my experience has always been (using a dial auge on a piston direct) that you still have TDC over 3 maybe 4 degrees minimum.
certainly to know if you are in the ball park i would think it's excellent but if i was set on scribing a new mark i would still use the dead stop method.
regards
Taffy
Similar threads
Register CTA
Register on Husaberg Forum! This sidebar will go away, and you will see fewer ads.
Sign Up
