Ignition Timing

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steve_wood
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Ignition Timing

#1

Post by steve_wood » Wed Jul 14, 2010 12:04 pm

Okay, let me apologize in advance, I'm a total idiot...

I'm trying to set the timing, but I'm just not getting it.

- Can't figure out how to isolate the points to use a multimeter to "beep" when they contact.
- Can't figure out what or how to move whatever part required to change the timing.

This is so humbling.

Can somebody explain this to me like I'm in grade three? With arrows on the picture maybe?
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Breaker.jpg
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steinauge
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Re: Ignition Timing

#2

Post by steinauge » Wed Jul 14, 2010 2:04 pm

To isolate the points disconnect the coil and condensor wires.To adjust the timing loosen the nut on the advance cable stud.This enables you to rotate the top of the circuit breaker and adjust the timing. 1-set the point gap(.022") 2-rotate the engine,watch the front intake pushrod go up and start down 3-locate the advance fire mark in the middle of the hole 4-with the circuit breaker at full advance the points should have JUST opened at this point.HTH

steve_wood
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Re: Ignition Timing

#3

Post by steve_wood » Wed Jul 14, 2010 3:24 pm

Steinauge:

Thanks for the tip on isolating the contacts.

But I'm still stumped. Here's what I got:

- advance fire mark set in the middle of the hole
- timing control fully advanced
- point gap set to 0.022
- Breaker body turned as far clockwise as possible

PROBLEM: Can't get turn the breaker body any further to get the cam follower to the spot where the points are just beginning to open. See attached for a visual.
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Panacea
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Re: Ignition Timing

#4

Post by Panacea » Wed Jul 14, 2010 10:35 pm

You want to turn the breaker "counter clockwise" to full advance...Mike

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Re: Ignition Timing

#5

Post by partshunt » Thu Jul 15, 2010 9:03 am

If you need to rotate the distributor further, loosen the nut on the advance arm and move the braker plate further counter clockwise or drag the arm back clockwise to advance. The body has a slot where that arm can be further moved. Normally, there is a standard position for the advance arm in the middle of the slot. You should be able to find it on the distributor body, as least on the manual advance breaker assemblies, but auto advance should be the same I think ...Joe

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Re: Ignition Timing

#6

Post by steve_wood » Thu Jul 15, 2010 10:01 am

Folks,

What I'm saying is that the advance control on the handlebar is already set to max advance. The nut on the advance arm has been loosened and the breaker has been turned as far clockwise as it can go. It's still no where near as far as it needs to be to get to the place where the points just begin to open.

:(

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Re: Ignition Timing

#7

Post by hplhd » Thu Jul 15, 2010 10:05 am

Panacea wrote:You want to turn the breaker "counter clockwise" to full advance...Mike

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Re: Ignition Timing

#8

Post by old1955 » Thu Jul 15, 2010 12:00 pm

G'day Steve,

What about unbolting the circuit breaker, lift it up from its drive gear and
move it one tooth around.

And shouldn't your timing mark be in the first quarter of the timing hole
not the middle as the middle position is for auto advance circuit breakers like 65s and up?

Pete

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Re: Ignition Timing

#9

Post by steve_wood » Sat Jul 17, 2010 11:25 am

Found the problem. There is a slot in the ciruit breaker head to accomodate the adjusting stud. That slot was a bit boogered and the stud could not be moved to its full travel. I cleaned up the slot and then I was able to set the breaker head to the right position.

She fired right up.

I'm moving in the next few days, but if I get the chance I'm gonna strobe it to see what that says.

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