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Author Topic: 1982 CB750F Resto-mod. At least that's the current plan.  (Read 1326 times)

Offline The Jimbonaut

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #60 on: Aug 08, 2018, 21:10:55 »
Things are on the up. Pulled the tank and checked all the hoses, possible that the vacuum hose was a bit pinched, Iím not sure. Everything else looked kosher, nothing binding but I gave everything a good check.

Drained float bowl in carb 1, took the bowl off - everything looked alright in there but I pulled the float and needle anyway and gave them both a good clean, also blasted carb cleaner up into the needle seat.  As Irk suggested I also blew through the fuel line.

Hooked the tank up again, carb 1 leaked right away but once I fired up the engine it stopped and didnít leak again. Bikeís idling better, revs arenít going up by themselves like before - a little stuttery when I crack the throttle and release it (as the revs drop they donít do so smoothly but a bit juddery). Hereís a vid -



Definite improvement


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Online irk miller

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #61 on: Aug 08, 2018, 21:19:40 »
Awesome improvement.  Still hanging a bit on decel from the rev, but maybe just an air mix adjustment.

Offline The Jimbonaut

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1982 CB750F Resto-mod. At least that's the current plan.
« Reply #62 on: Aug 08, 2018, 21:22:06 »
Cheers Irk, is that something that a decent vacuum synch would take care of? Or pilot screw adjustment?

Wetter than an otterís pocket here so at least the rain is drowning out my erratic engine somewhat. At least that what I like to think my neighbours are thinking.


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« Last Edit: Aug 08, 2018, 21:23:57 by The Jimbonaut »
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Offline trek97

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #63 on: Aug 08, 2018, 22:20:38 »
You been busy my man.  Good show!  8)

Offline The Jimbonaut

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #64 on: Aug 09, 2018, 11:50:37 »
Thanks Trek, thankfully with the other CB in decent shape I can just borrow what I need from her (which is a lot!) as I try to get this beast in shape. Hopefully the carbs are in good enough shape (especially after a vacuum synch) to get this on the road soon - pass the safety inspection and then out with the power tools  8)
"I'm telling you Donnie, nuthin' but nuthin' but right"

Offline trek97

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #65 on: Aug 09, 2018, 22:15:31 »
on the road soon - pass the safety inspection and then out with the power tools  8)


Offline The Jimbonaut

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1982 CB750F Resto-mod. At least that's the current plan.
« Reply #66 on: Aug 09, 2018, 23:27:27 »
Ha! Super powers or MEK-into-the-eyeball-significant-abilities...whichever comes first


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« Last Edit: Aug 10, 2018, 01:46:44 by The Jimbonaut »
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Offline trek97

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #67 on: Aug 10, 2018, 08:58:14 »
Ha! Super powers or MEK-into-the-eyeball-significant-abilities...whichever comes first

Had my fair share of acetone nd lacquer thinner in the eyes...Although Ive recently started using MEK, I havent tried it yet.   :o 

Offline The Jimbonaut

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Re: 1982 CB750F Resto-mod. At least that's the current plan.
« Reply #68 on: Aug 10, 2018, 12:42:56 »
The stuff is b-r-u-t-a-l.  Despite every best laid plan, most MEK adventures in my garage go south quite dramatically.  I do however always dress for the occasion and that's a good thing - this stuff will eat your soul and laugh as it spits out the dark parts.

Will it ever melt through varnish though.  Mamma mia.
"I'm telling you Donnie, nuthin' but nuthin' but right"