How much is the timing advanced after altering pick-up coil clearance lessened? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 10-24-2014, 12:18 PM Thread Starter
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How much is the timing advanced after altering pick-up coil clearance lessened?

Anybody check timing after doing this mod?
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post #2 of 11 (permalink) Old 10-24-2014, 12:38 PM
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if you move both sides of each coil, there is probably negligable change in timing.

moving one side only may change it a degree or 3... but doubt it will be that much

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post #3 of 11 (permalink) Old 10-24-2014, 01:20 PM
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Wouldn't think there would be any at all. Should just tell the ignition coil to fire with a little more authority.

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post #4 of 11 (permalink) Old 10-24-2014, 02:59 PM
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I believe this was covered somewhere way back when but if im not mistaken what it does is advance and retard the timing at the same time as you move the pickups closer to the contact plate the magnetic pull on them is stronger so they enter the contact zone a hair earlier and leave a hair later this creates a stronger and longer spark it does not effect the timing much if any at all

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post #5 of 11 (permalink) Old 10-30-2014, 02:01 PM
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Getting ready to do the pick up coil mod and have the side cover off. No seized screws, came right off, I'm happy to report. Looking at the coils, it looks like the cable should unplug. Haven't really tried to remove the connector yet, is there a tab or something that locks it on? Don't want to pull too hard and damage something.

"Katie"
2002 VN 750, stock except for accessories
Mustang seat
Super Bright LED brake strobe on trunk
About 25k miles
All drive train maintenance performed, drive shaft coupler replaced
Way more experienced at pulling VN 750 carbs than I ever wanted to be.
TOC ACCT rebuild kits installed
Pick up coil mod
Cooling system flushed, refilled with fresh coolant
Petcock rebuilt
VN sold, current steed Honda ST 1300
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post #6 of 11 (permalink) Old 10-30-2014, 05:26 PM
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Also, are there any kind of protrusions on the rotor that passes the magnet on the coil or do I just set to .020 with respect to the rotor?
Thanks guys.

"Katie"
2002 VN 750, stock except for accessories
Mustang seat
Super Bright LED brake strobe on trunk
About 25k miles
All drive train maintenance performed, drive shaft coupler replaced
Way more experienced at pulling VN 750 carbs than I ever wanted to be.
TOC ACCT rebuild kits installed
Pick up coil mod
Cooling system flushed, refilled with fresh coolant
Petcock rebuilt
VN sold, current steed Honda ST 1300
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post #7 of 11 (permalink) Old 10-30-2014, 06:46 PM
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not sure if the magnets protrude or not, but I did rotate the flywheel until the magnet(s) where under the pickup just to be safe

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post #8 of 11 (permalink) Old 10-31-2014, 01:07 AM
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first off the pickup coils do not unplug so don't pull on them the wires will break and you will have a bad day

second on the flywheel there is a raised contact plate that needs to be aligned with the pickup coil when setting the gap

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Sucks getting old but it beats not getting old.

i got my helmet but it sure makes licking the windows a chore

cell phone number for anyone who needs it 214-516-1738

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post #9 of 11 (permalink) Old 10-31-2014, 07:33 AM
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That's what I needed to know. I had removed the coil and could tell the wires didn't unplug so I didn't pull on them. Can the engine be turned with the flywheel bolt to align the magnets with the coils? I'm guessing it would be much easier if I pull a plug from both cylinders. Thanks again.

"Katie"
2002 VN 750, stock except for accessories
Mustang seat
Super Bright LED brake strobe on trunk
About 25k miles
All drive train maintenance performed, drive shaft coupler replaced
Way more experienced at pulling VN 750 carbs than I ever wanted to be.
TOC ACCT rebuild kits installed
Pick up coil mod
Cooling system flushed, refilled with fresh coolant
Petcock rebuilt
VN sold, current steed Honda ST 1300
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post #10 of 11 (permalink) Old 10-31-2014, 08:35 AM
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thats how I turned mine.. flywheel bolt.

wasnt too tough, if you take your time, the compression will bleed out of the cylinders as you turn it.

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