Aftermarket ignition.
Thread Starter
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
Aftermarket ignition.
i am going to check my ignition timing.
My question is, is there any advantage to a different ignition module? Single fire vs dual fire? Or should I just check mine and ride on? Ive researched all this and theres no straight answer.
also from what I understand from manual is, start bike, while idling the light should light up when front cylinder advanced timing mark is centered in hole. If not,adjust accordingly.
1997 Evo. Mikuni 42 Carb. Screaming eagle exhaust slip ins.
My question is, is there any advantage to a different ignition module? Single fire vs dual fire? Or should I just check mine and ride on? Ive researched all this and theres no straight answer.
also from what I understand from manual is, start bike, while idling the light should light up when front cylinder advanced timing mark is centered in hole. If not,adjust accordingly.
1997 Evo. Mikuni 42 Carb. Screaming eagle exhaust slip ins.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,068
Likes: 7,599
From: Poolville
Yes there is. There are different rates that the module advances the timing (heavier bike, lighter bike. With OEM modules) Also there are differences in the rev limiter setting... As for the Single vs Dual, I really don't see any advantages...
To set the base timing you do not start the bike....
Put the front cylinder to TDC then rotate the module till the red light comes on then back it off just till it goes out.. Lock it down, your done.
Curve 2 should do you good....
To set the base timing you do not start the bike....
Put the front cylinder to TDC then rotate the module till the red light comes on then back it off just till it goes out.. Lock it down, your done.
Curve 2 should do you good....
Last edited by 98hotrodfatboy; May 12, 2018 at 04:17 PM.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,068
Likes: 7,599
From: Poolville
with an inductive light and a clear lense where the plug goes. I usually turn it up till it pings when rolling the throttle at 2400 rpm 5th gear cruising and then back it off till it stops..... Good to go...
Thread Starter
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Road Master
Joined: May 2012
Posts: 1,001
Likes: 107
From: Houston
So I would let it idle and look for the front cylinder advanced mark?
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,068
Likes: 7,599
From: Poolville
Your knocking yourself out with this. If you don't have a tach just do 50 in 5th and nail it if it pings turn it back. If it doesn't turn it up till it does then back it off a tad. It's not a precision race bike... Being all that close or a tad off isn't gonna make any difference...
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Road Master
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