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Pilot jet adjustment help!

Started by Gene, Apr 12, 2023, 07:26 PM

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Gene

'85 650cs Nighthawk.

I am enjoying my Nighthawk after rebuilding the carbs, however I need to adjust the pilot jets. Should be easy, however getting my big hands in there, especially when the bike is hot, is next to impossible.

A little while ago, I saw an adjustment tool it's long and uses a gear drive. Anyone know where to get one?

1985 Honda CB 650sc with 17, 500

Bob H

#1
It's made by Motion Pro, search Amazon or general Google search.
I got one very similar, not quite as compact, you can see it top of pg 9 here https://nighthawkforums.com/index.php?topic=39.120

The link for it was top of page 7, direct from China for $22 https://nighthawkforums.com/index.php?topic=39.90
I had to tighten a screw on the handle, it was kind of falling apart when it arrived, but tightened up OK.

For what it's worth, I don't think anything will fit in the tight space for the 750, maybe you will have better luck with the 650.
1993 Nighthawk 750

Pete in PA

Same.  Hope you have more room on the 650. I seem to remember being able to reach the idle adjustment screw with my hand when I had a 650 back in 84.

91 on, forget it.  I use a chopstick to adjust my idle, I bought this to try the pilot screws, Don't it's junk. Broke right away and too tall anyway to reach.

https://www.ebay.com/itm/275723665769?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=P_Qtk_YBRu-&sssrc=2349624&ssuid=IwajBBFPTpq&var=&widget_ver=artemis&media=COPY
92 Honda 750 Nighthawk
Previously: 250 Nighthawk, FJ-09, ST1300, FZ-07, CBR1100XX, V65 Sabre, 83 650 Nighthawk.  Two XR650L's, KLX650C.

draser

I have the MotionPro tool but it won't fit to adjust one of the carbs (carb 3 I believe). Works fine on my Magna though. I made me a short bit but it's still too big.

Willie

I thought I've revive this thread to ask if the Motion Pro tool will work on the 700S pilot jets. I figure I'd better be prepared for what lay ahead now that I'll be rebuilding my carbs and installing larger mains.
While I'm at it, I think I'll start a new carb related thread to ask 2 more questions pertaining to the fuel system.

Hend238

Quote from: Willie on Aug 29, 2023, 09:30 PMI thought I've revive this thread to ask if the Motion Pro tool will work on the 700S pilot jets. I figure I'd better be prepared for what lay ahead now that I'll be rebuilding my carbs and installing larger mains.
While I'm at it, I think I'll start a new carb related thread to ask 2 more questions pertaining to the fuel system.

I've used the motion pro tool on my 750S with success. Same bike as your 700S just the less watered down Canadian version.  ;)
1984 Honda Nighthawk S 750
2023 Triumph Tiger 1200 GT Explorer
Dreaming of a mid 80's Honda CBX750F