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Author Topic: What Jetting do I need? CB350F  (Read 9701 times)

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Offline flybox1

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Re: What Jetting do I need? CB350F
« Reply #25 on: December 11, 2012, 12:33:10 PM »
you'll need to remedy your airbox cracks and vacuum leak(s) BEFORE any jetting changes, or you're chasing your tail.


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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
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"Knowledge without mileage equals bullsh!t" - Henry Rollins

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Offline jstfkndi

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Re: What Jetting do I need? CB350F
« Reply #26 on: December 13, 2012, 07:27:57 AM »
Ok, thanks. I was told WD40 as a leak tester. Any thoughts on this as I don't feel comfortable sprying carb cleaner on already dry boots.
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Offline flybox1

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Re: What Jetting do I need? CB350F
« Reply #27 on: December 13, 2012, 08:05:53 AM »
Quote from: jstfkndi on December 13, 2012, 07:27:57 AM
Ok, thanks. I was told WD40 as a leak tester.
+1
spray and listen for RPM change
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"

Offline Owned

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Re: What Jetting do I need? CB350F
« Reply #28 on: December 13, 2012, 03:43:25 PM »
I vote for checking valves....
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'74 Honda CB350F
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Offline jstfkndi

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Re: What Jetting do I need? CB350F
« Reply #29 on: December 14, 2012, 06:03:29 AM »
I adjusted them, but can recheck. Is that what you are referring to, or pulling the head?
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Offline tomkimberly

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Re: What Jetting do I need? CB350F
« Reply #30 on: December 15, 2012, 06:59:16 PM »
FWIW, I set the valve clearance at .003", a bit on the loose side.

Tom

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Offline WhiskeyFoxTits

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Re: What Jetting do I need? CB350F
« Reply #31 on: July 02, 2019, 07:07:38 PM »
I'm building a brat style CB350 four, and I want to put pods on my carbs and I know that I need to change my jets. Where can I find jets that would work with my bike?
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Offline WhyNot2

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Re: What Jetting do I need? CB350F
« Reply #32 on: July 03, 2019, 05:12:33 AM »
I'm in the same boat with my CB350F, cept I have a new Delkevic 4 into 1 exhaust.

Can't get it to run right, and pulling the carbs so many times is a pain.

So watching and trying everything you are, and with no good results,
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