Message For Ed Chesnut… – The Hodaka Club Forum

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viclioce

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Location: Santa Fe, NM

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Message For Ed Chesnut…

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by viclioce » Tue Mar 05, 2024 4:28 am

Hey Ed! I think I got a bad trade here. I traded a highly sought after Super Rat kill switch for a 94 Wombat carb.

However, the needle jet has no shroud so it turns out I got sent a VM24 SH-83A not a 83B. Is this really just a paper weight? Can anything be done with it besides DO NOT USE IT?

I’ve left a message for my friend with whom I traded to call me. But if it really isn’t usable I’ll have to send it back to him.


1978 175SL
1976 03 Wombat
1975 99 Road Toad (2)
1973 96 Dirt Squirt (2)
1973 “Wombat Combat”
1973 Combat Wombat
1972 94 Wombat (2)
1972 Super Squirt
1971 92B+ Ace
1970 92B Ace 100B (2)
1968 92 Ace 100
1966 Ace 90
; D Victor


Bullfrog

Posts: 2730 Joined: Mon Jul 22, 2013 4:05 pm

Location: Oregon, 12 miles from the center of the Hodaka Universe(Athena)

Re: Message For Ed Chesnut…

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by Bullfrog » Tue Mar 05, 2024 5:21 am

I’ll put it this way . . . even Harry Taylor threw up his hands after multiple attempts to tune the jetting of the 83A to run properly on a Wombat.

Ed

Keep the rubber side down!

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Bullfrog

Posts: 2730 Joined: Mon Jul 22, 2013 4:05 pm

Location: Oregon, 12 miles from the center of the Hodaka Universe(Athena)

Re: Message For Ed Chesnut…

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by Bullfrog » Wed Mar 06, 2024 4:53 am

I don’t know if “most” is the correct adjective, but yes, some of the parts from the 83A are useable in other carbs.

Ed

Keep the rubber side down!

viclioce

Posts: 4784 Joined: Mon Apr 21, 2014 5:35 pm

Location: Santa Fe, NM

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Re: Message For Ed Chesnut…

Post

by viclioce » Wed Mar 06, 2024 10:51 am

Well that’s what I thought. Yes, just about everything is useable in an 83B except the carb body and the needle jet tube from the 83A carb. So he has an 83B he will send me. :ugeek: Victor


1978 175SL
1976 03 Wombat
1975 99 Road Toad (2)
1973 96 Dirt Squirt (2)
1973 “Wombat Combat”
1973 Combat Wombat
1972 94 Wombat (2)
1972 Super Squirt
1971 92B+ Ace
1970 92B Ace 100B (2)
1968 92 Ace 100
1966 Ace 90
; D Victor

scmark

Posts: 7 Joined: Fri Feb 17, 2017 5:45 am

Re: Message For Ed Chesnut…

Post

by scmark » Wed Mar 13, 2024 12:48 am

How do you tell the difference between the 83A and 83B carbs. I picked up an ACE 100 with a reed valve manifold and what looks to be a Wombat VM24 carb. Before I get too deep it would be nice to know which one I have to not waste time and $$$.

dirty_rat

Posts: 717 Joined: Mon Jul 22, 2013 10:39 am

Location: Spring Hill, FL

Re: Message For Ed Chesnut…

Post

by dirty_rat » Wed Mar 13, 2024 1:53 am

Here is a photo Ed put into his article on Mikuni carburetors in the Resonator Revisited magazine (Issues V:1-3 and V:1-9).
It makes it easy to tell the two apart by looking down the throat. The “A” carb does not have the brass
shroud sticking up into the carb throat.
Hope this helps.

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carbs.jpg (6.46 KiB) Viewed 153 times

viclioce

Posts: 4784 Joined: Mon Apr 21, 2014 5:35 pm

Location: Santa Fe, NM

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Re: Message For Ed Chesnut…

Post

by viclioce » Thu Mar 14, 2024 7:29 am

There is also a VM 24mm in the 93x Super Rats. It has a lever choke instead of the pull button choke. Make sure you get the carb correctly identified. :ugeek: Victor

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1978 175SL
1976 03 Wombat
1975 99 Road Toad (2)
1973 96 Dirt Squirt (2)
1973 “Wombat Combat”
1973 Combat Wombat
1972 94 Wombat (2)
1972 Super Squirt
1971 92B+ Ace
1970 92B Ace 100B (2)
1968 92 Ace 100
1966 Ace 90
; D Victor

scmark

Posts: 7 Joined: Fri Feb 17, 2017 5:45 am

Re: Message For Ed Chesnut…

Post

by scmark » Sun Mar 17, 2024 11:47 pm

I did check. I have an 83B. The fun will be to get it jetted for the ACE 100. I have been tearing it down and have found some interesting things about it. It came with a reed valve manifold but DPO mod is that he never put in the boost ports or the windows in the intake side of the piston. Id did have a Super Rat Piston and head on it though.

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Bullfrog

Posts: 2730 Joined: Mon Jul 22, 2013 4:05 pm

Location: Oregon, 12 miles from the center of the Hodaka Universe(Athena)

Re: Message For Ed Chesnut…

Post

by Bullfrog » Mon Mar 18, 2024 2:40 pm

No reeds either? In which case, it was just a switch from a round passage intake manifold to a rectangular passage intake manifold which was capable of accepting the larger carb.
Ed

Keep the rubber side down!

scmark

Posts: 7 Joined: Fri Feb 17, 2017 5:45 am

Re: Message For Ed Chesnut…

Post

by scmark » Tue Mar 19, 2024 1:28 am

Actually it did have reeds. They were warped and wouldn’t seal the backflow. See the pictures. This was done by a guy that was AHRMA road racing.

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