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Cycle Chaos > Cyclechaos Forums > Parts > Exhaust > How do I retard/advance the timing on my'87 sportster?

How do I retard/advance the timing on my'87 sportster?

This is a discussion on How do I retard/advance the timing on my'87 sportster? within the Exhaust forums, part of the Parts category; I've read that I'll need to retard the timing after I do the 1200 conversion. How do I do so? ...


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Old 12-26-2008   #1
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Default How do I retard/advance the timing on my'87 sportster?

I've read that I'll need to retard the timing after I do the 1200 conversion. How do I do so? If someone is very experienced on v-twin motorcycle repair, or with this type of rebuild, could you please inform me of everything that you can, about what to expect or be cautious of? indianjohn, here is the specifications of my exhaust pipes, (concerning what size jets I'm going to need): Cycle Shack (slash cut) 1-3/4"head pipes 2-1/2"mufflers, true one-piece construction of 16 gauge tubing, all steel baffles
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Old 12-29-2008   #2
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You should be ok with your timing You can retard about 5 deg but no more it will start to run hot but TDC is TDC so i wouldnt worry to much about it-The idea is stock 883s are advacned pretty far so when you step up to 1200 it may be a bit much on the starter ?? If it dont"kick back"dont worry about itTurn the plate clockwise to adv Counter to retardTry stepping up the jets about 3 sizes to start then"read"your plugs but with the extra CCs and the open exhaust its gonna breath a lot harder so get more fuel in there to go with the air
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Old 02-10-2009   #3
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indian jo got it right. ------
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