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Flywheel marks wrong ???

zaga

zaga

Joined Mar 2009
1K Posts | 251+
Portugal
Hy

I have never done anything with a strobe lignt, but I've ordered one to try to set the timming right, the problem is that I've read several times the owners docs and I still can´t understand !!
To make it simple, if I do:

Find TDC (whatever the way)
Make a new mark on the flywheel 5d to the right
Use a strobe light, and try to match the two marks

Is this OK ?? or do I have to do something diferent ?
What rpm should the bike be to match the marks ? (How can I see the rpm ?)

Could you please explain like to a 3 year old husaberger baby

THANKS
 
just normal idle will do. you'll understand this when you go to do it. ok?

at 'zero' on the timing light the two lines will be apart. with 6 degrees of advance on the light the two lines will line up. you then have if you have 4 degrees the stator needs to fire sooner and if you have 8 then the stator must fire later.

start with the stator line about 1mm to the left of centre in the round hole as you look. it is not accurate but it will do to start the bike.

regards

Taffy
 
Thanks Taff

I tried to buy one on the ebay but they don´t ship to Portugal.
Do you know where can I get one ??

ZAGA
 
well there are several ebay sites in europe like italy and spain and you are all on the euro so that helps.

regards

Taffy
 
But Taff how about the new mark on the flywhell do I do it ?

Thanks for your pacience
ZAAAAAGA
 
yes you do it. it is in the doc under electrical so go look............

regards

Taffy
 
Hy

I’ve read carefully the owners docs, even printed it so I could understand.
Please tell me if my conclusions are ok.

The mark on the flywheel is wrong, since in the TDC its not aligned with the top hole of the screw, I’ve checked with a partial opened engine to get the TDC right and it was +/- 4 deg advanced, so I need to make a new mark +/- 4 deg to the right of the two originals marks.
I also checked in the stator and between the groove on one side and mark of the pickup of the other side there are 36 deg of difference, so for a 400+ engine this mark is right and for a 400 engine I need to make a new mark with 32 deg difference.
I hope all of these conclusions are ok.

Now my questions are:
If I make the new marks right, why I need a strobe, is it so different t from a static set up? Or is there a way that you could tell me to make a new mark for a static tuning, so I don´t need to buy one strobe?

And if I really need one strobe, does it have to be adjustable, since I already made the marks right (the 32 or 36 deg)?

Thaks for all your pacience
Best
ZAGA
 
'the proof of the pudding is in the eating'. unfortunately, ignition modules vary from one module to another.

the 400 needs the 36d and the 650 needs the 32 degrees.

BORROW a strobe/timing light or PAY a garage to do it. otherwise, yes your ideas are correct.

regards

Taffy
 
Tkanks Taff

One final thing that I'm missing, with the correct marks on the flywheel and on the stator, the strobe has to be adjustable or can be a simple one?
 
zaga said:
Tkanks Taff

One final thing that I'm missing, with the correct marks on the flywheel and on the stator, the strobe has to be adjustable or can be a simple one?
Click to expand...

it must be adjustable because the two lines only line up after you have adjusted the equipment to 6d. otherwise all you see is one line a long way away from the other and you don't know what the gap is 'worth' in degrees.

regards

Taffy
 
zaga said:
Find TDC (whatever the way)
Click to expand...

Use a chainsaw piston stop tool that screws into the spark plug hole and hits the top of the piston.
1. Make a mark on the engine case where you want to see Top Dead Centre.
2. Turn the flywheel real slow till the piston hits the stopper. Mark the flywheel with a mark that lines up with the engine case mark.
3. Turn the crank the opposite way slowly till the engine stops. Mark the flywheel with a mark that lines up with the engine case mark.
4. Measure the distance between the 2 marks on the flywheel and halfway is TDC when lined up to the engine case mark. Mark that point on the flywheel as TDC.
5. Measure the distance around the flywheel (or calculate the circumference using the pi x diameter of the flywheel calc) and divide by 360 . The answer will then be in degrees.
6. Measure from the Top Dead Centre mark the degrees you want and mark the flywheel.

I use to mark a 30 degree mark on my racing 350 Chev and then set the timing at 3,000rpm.
I think you should always use a Timing light to check. As long as you have the marks you need on the Flywheel (4Degrees, 30 Degrees or what ever you need) just a plain old Timing light will do.
 
Hello

Finaly received my strobe light a its done on my 400 - in the strobe 6d BTDC. Thank You :bow:

Now I need to do it in a FE600E-98 and in a FX470-01, how many deg. will I put in the strobe for each one of this bikes ??

Don't konw if it makes a lot of difference but the FX was changed with a 01 cam, a flat piston, and Taffs DSVK.

Thanks
:cheers:
ZAGA
 
6 degrees for all of them Zaga.

remember, if the bike appears as 10, 12, 14d BTDC at idle and you have to adjust the stator at all to the right of middle then you must halve what you see. so that's 10 (really 5), 12 (correct at 6) or 14 (really 7). they have a mind of their own...

regards

Taffy
 
Taff

I can't realy understend that ???

At least with the 400 I've put 6 deg in the strobe and it lines up, the thing have not doubled.

What you are saying is if the numbers are too high its because the ignition is doubling the deg.s ??

Thanks
:cheers:
ZAGA
 
That's why I love this ladies :!:

They have a mind of their own :mrgreen:

:cheers:
ZAGA
 

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