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Author Topic: Backfire after clamp and boot replacement  (Read 886 times)

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Offline Sdsbassist

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  • Gus, Austin, MN.
Backfire after clamp and boot replacement
« on: June 05, 2015, 03:37:02 PM »
Replace boots and clamps and now everything fits nice and tight. Im seeing a bit of backfire in the 1500 to 2500 range. Might i have to unscrew the mix screw a bit more because there isn't as much air?
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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"

Offline dusterdude

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Re: Backfire after clamp and boot replacement
« Reply #1 on: June 05, 2015, 04:17:16 PM »
Sounds to lean in that range,im no expert but you might want to raise your carb needles a notch
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1972 k1 750
1949 fl panhead
1 1/2 gl1100 goldwings
1998 cbr600 f3

Offline Sdsbassist

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  • Gus, Austin, MN.
Re: Backfire after clamp and boot replacement
« Reply #2 on: June 05, 2015, 04:25:49 PM »
I did bench sync them. Maybe i messed that up?
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Gus, Austin, MN.
Current Bike:  75 750F

Past bikes: 76 750K - "Iowa Blue",78 750K Craigslist find - "Black Beth;" 77 CB750K Basketcase, with a 75K engine; 1970 Cb750 K1, "Rosa Luxembourg"
74 cb750, 75 cb550, 77 kawa 650, 81 virago 750, 83 virago 920, 80 Honda Twinstar 200, 71 Honda CT70, 1971 Honda CB750 Rat Project "Black Dahlia Bitsa"
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