Help - Timing on 1963 Flat head
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Stage II
Joined: Apr 2008
Posts: 2
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Help - Timing on 1963 Flat head
Greetings,
Newmember - long time HD owner.
Working on 1963 Flat head and not sure about timing. Here is my issue:
Timing mark on fly wheel which is a groove, does not line up
whenall of the cam gear marks are lined. Is this correct?
The engine runs but not very smooth. Help!
Jesse
Newmember - long time HD owner.
Working on 1963 Flat head and not sure about timing. Here is my issue:
Timing mark on fly wheel which is a groove, does not line up
whenall of the cam gear marks are lined. Is this correct?
The engine runs but not very smooth. Help!
Jesse
Seasoned HDF Member
Joined: Oct 2005
Posts: 7,503
Likes: 3,729
From: Santa Klaus County, Cali
RE: Help - Timing on 1963 Flat head
Jesse, gear timing is different from motor timing. Flywheel mark is used to time the motor; gears in cam case are timed to properly transmit engine power to the cam gears, crankcase breather, timer, oil pump and generator.
Cruiser
Joined: Mar 2008
Posts: 103
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From: Bagdad FL
Road Master
Joined: Jun 2008
Posts: 1,078
Likes: 39
From: NW Florida
Go to this web site for a great timing tool http://www.techcycle.com/techaccessories.html
Road Master
Joined: Aug 2006
Posts: 751
Likes: 6
From: 500 miles south from Artic Circle
I would guess that you have servicar ..you have not change cam timing ?
so issue is ignition timing ? do you have original adjustable distributor ? adjustment in handlebar ? adjustment in distributor ?
so issue is ignition timing ? do you have original adjustable distributor ? adjustment in handlebar ? adjustment in distributor ?
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Tourer
Joined: Nov 2008
Posts: 328
Likes: 72
From: SE TN
Timing a '63 G 45" Flathead
Well, the motor would be at least from a servi-car. (if not still in it).
"G" series 45" flathead...Last year before the 1964 GE (electric start servi)
Yes 1 year before the 65 Pan..
(as was posted) your pinion gear only goes on one way, align all cam timing marks off the pinion gear mark. And close it up..
Then roll motor over till front valves just close & watch for flywheel mark to be coming into window. Then you may have to pull out the timer & reset it.... That's about it..
Don't worry about cam marks matching the flywheel mark.. As long as you have timed the scav. pump (breather) gear & pinion gear to the cams.
Do you have an intake leak ??? That will cause poor performance...
"G" series 45" flathead...Last year before the 1964 GE (electric start servi)
Yes 1 year before the 65 Pan..
(as was posted) your pinion gear only goes on one way, align all cam timing marks off the pinion gear mark. And close it up..
Then roll motor over till front valves just close & watch for flywheel mark to be coming into window. Then you may have to pull out the timer & reset it.... That's about it..
Don't worry about cam marks matching the flywheel mark.. As long as you have timed the scav. pump (breather) gear & pinion gear to the cams.
Do you have an intake leak ??? That will cause poor performance...
Last edited by Buddy7394; Dec 15, 2008 at 01:41 AM.
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