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Author Topic: 1980 cb750f bogging at full throttle  (Read 514 times)

Offline Ant36

  • Posts: 27
1980 cb750f bogging at full throttle
« on: Oct 05, 2017, 20:11:03 »
Hello! I have a 1980 cb750f with dual kerker exhaust, bst31 carbs with dynojet kit and pod filters. Bike rides well and runs well under normal conditions. When under a little bit of a load though going to full throttle quickly the bike will bog. I'm thinking it is running out of fuel and I should raise the needle a notch? Any input would be appreciated!


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1980 CB750F

Offline esmoojee

  • Posts: 172
Re: 1980 cb750f bogging at full throttle
« Reply #1 on: Oct 06, 2017, 01:27:35 »
It may be a little lean actually. Try lowering the clip on the needle. My crís were bogging a little at mid range and my plugs showed it. I dropped the clip and she pulls great now. If you richen it and itís still bogging then go the other way. I was told it was better to be a little rich then to be too lean.

Online cxman

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  • Posts: 2548
Re: 1980 cb750f bogging at full throttle
« Reply #2 on: Oct 06, 2017, 08:18:57 »
make sure your pod filters do not occlude the intake tract in any way shape or form

or it can interfere with the slide sensing port
1978 CX650 Super Deluxe
1979 XS1100 Special
1974 xl350
1983 cx650 Custom
1973 cb750
1980 cb750
1981 cb650
1982 cb900 c
1974 kawasaki 350 bighorn
1983 GL1100 aspy full dress
1983 GL1100 Nekid
and a bunch of others

Offline Ant36

  • Posts: 27
Re: 1980 cb750f bogging at full throttle
« Reply #3 on: Oct 06, 2017, 18:14:37 »
Will do thanks for the input


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1980 CB750F