honda305 Home honda305 Auctions honda305 Gallery honda305 Forum


honda305.com Forum

Login
□ Search
□ FAQ 
□ 
Vintage Honda Owners,
Restorers, Riders and
Admirers

Main jet holders

Fuel System: Gas (Petrol) tanks, Carburators
CL77NOW
honda305.com Member
Posts: 59
Joined: Mon May 23, 2011 8:54 pm
Location: E.Texas
Contact:

Post by CL77NOW » Wed Jun 01, 2011 10:08 pm

i agree on all counts.
but setting up the dang float level , now that is black science, done 100s ,more for sure. car and bikes.
but not on CL77

i ask for help and get , cryptic, you are wrongs. etc
what do you think?

I have many old honda books that show other bikes other ways. (1 of 3)
cheers

PS the worst books show a carb as a gray blob, no detail then a equally gray blob
caliper in a Japanese mans hand against the bowl. ( you look and go , gee, what a lousy drawing)

my best bikes i can run a clear line down to the drain cock and get real levels.
some carbs they do say where the real level will be...

and as you know it is critical. as is that emulsion mix business. (etc)

i see huge errors ,1,2,3 choices. Thanks for all help!
Attachments
float-level-oops1c.JPG
CL77 99% done on mine.
For Sale,

teazer
honda305.com Member
Posts: 798
Joined: Mon Feb 08, 2010 10:32 pm
Location: Midwest US

Post by teazer » Wed Jun 08, 2011 7:16 pm

So I had a spare moment. Translation = I needed a break from work so I pulled a few carbs aparts just for fun.

First thing I noticed was that CL main Jet holders/emulsion tubes/nozzles have three sets of holes. 2 at the top, two in the middle and 4 at the bottom close to the threads at the main jet end.

CB are different. they have 4 holes at the top and two in the middle and two at the bottom. As to the sizes of those bleed holes I found two pairs of carbs with 0.6/0.7 holes at each position and I had one carb with larger (0.8mm) at the top. All are stamped CL77A but one pair is cast for Power jets and the other pair are not. The PJ pair have chrome on brass slides and the others have bronze anodized slides, but no other major differences.

Main jet threads are 5mmx1.0mm on CB160/175/305 and are 5mmx0.8mm on CB750 SOHC (with rings around them). I did not check the thread angles- just the TPI.

CB750 KO, and later carbs use a similar but longer NJ holder with smallish holes so it might be possible to machine one to fit a CB77 if necessary.

CB and CL also use different needles so don't just mix and match. The taper angles are different.

CL77NOW
honda305.com Member
Posts: 59
Joined: Mon May 23, 2011 8:54 pm
Location: E.Texas
Contact:

Post by CL77NOW » Wed Jun 08, 2011 7:42 pm

nice, expedition ! thanks. !

yes keyster
D13 and D9 , CL77 and CB77 needles.
CL77 99% done on mine.
For Sale,

Post Reply




 

CB-77 | CYP-77 | Road Test | Riding Log | Literature | Zen | Marketplace | VJ Survey | Links | Home