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CB750 K1

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750rideruk:
When cruising at about 60-70 my bike seems to 'hunt' or falter slightly. Opening the throttle it is fine. As we are only part throttle I have ordered pilot jets size 42 which is one size up. these are about 4 mm longer than the STD ones. will these be OK as obviously will pick up fuel from lower in the float bowl.. Can anyone throw any light on my predicament?

Johnwebley:
It's more likely the needle

Try lifting the clip one slot.
Making it slightly leaner.

What colour are the plugs?

Sent from my SM-A750FN using Tapatalk

Arch stanton:
You don't mention other important factors.
Exhaust or airfilter/pods or standard.
But I found recently. Upping the pilots won't help.
My 750k1 has 4 into 1 and Bellmouths.
After a lot of farting about. It now runs pretty damn good
Through the range.
Standard pilots. Needles up 1 notch. 120 mains.

750rideruk:
its got std airfilter and 341 exhausts. I thought that the bike might be running a bit weak as it feels as if it needs more fuel as when opening the throttle from cruising it pulls strongly.

mick:
this may be of some help to you ?

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