Honda-SOHC

SOHC.co.uk Forums => CB650 => Topic started by: bellyboy29 on February 08, 2018, 04:04:04 AM

Title: CB650 Intake/Insulator dimensions-----HELP?
Post by: bellyboy29 on February 08, 2018, 04:04:04 AM
Howdy!

Looking for info ideally. Its part of an ongoing project.

What are the dimensions of
1 - Hole centres between the two off mounting holes.
2 - Throat diameter of the intake.

Are there any variants in the years?
If so what are the dimension changes.

Many thanks in advance,

Tom

P.s. excuse the crude drawing.[attachimg=1]
Title: Re: CB650 Intake/Insulator dimensions-----HELP?
Post by: Clunker on February 13, 2018, 08:06:00 PM
Those insulators pictured aren't off of a SOHC CB650, the insulators on the CB650 don't bolt on, they are held on by clamps.
Title: Re: CB650 Intake/Insulator dimensions-----HELP?
Post by: Bryanj on February 14, 2018, 07:25:15 AM
There were 2 different 650 heads one set bolted on the other had cast on stubs
Title: Re: CB650 Intake/Insulator dimensions-----HELP?
Post by: Clunker on February 14, 2018, 07:56:31 AM
Hello Bryan, I have both types of head on my bikes, one with PD slide carbs (CB650C) and the other with CV carbs (CB650SC Nighthawk) and neither have bolt on insulators. Please can you let us know which model has bolt on insulators? They aren't bolt on, on the CB650Z either as they have PD slide carbs as well. They may be off a DOHC 650, I just don't know anything about them.
Title: Re: CB650 Intake/Insulator dimensions-----HELP?
Post by: Clunker on February 14, 2018, 08:03:34 AM
I just checked, DOHC 650's had bolt on insulators, SOHC's didn't.
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