SOHC.co.uk Forums > CB350/400
Gearbox Stuck - The last straw?
Oddjob:
Part number?
Might have a couple of NOS ones lying around, not sure on price as they weren’t cheap to buy being so hard to find.
McCabe-Thiele (Ted):
--- Quote from: SeanFD on December 18, 2025, 02:39:28 PM ---The problem turned out to be the secondary drive gear bolt; a quick visit to my friendly mechanic with the engine solved that.
The good news: I found the problem!
The bad news; well not really bad, but definitely ANNOYING!
Happy it is something so simple; mad that it was something so simple!
Now the quest to find a replacement. Anyone?
--- End quote ---
You mention a secondary drive gear bolt, is that as well as the neutral switch.
If it was just the neutral switch that is extra annoying as that can be replaced without splitting the engine case.
SeanFD:
Ted, The bolt was just impossible to remove - I had loctited it in place and didn't loosen it before removing the engine from the frame. I went to my local workshop and used his air impact gun to loosen it.
It is indeed the neutral indicator switch. It is spring loaded, so what went wrong I have no idea. Anyone seen this before?
The part number is 35750-333-023. I've found one on eBay for about €80, posted to a friend there, so if you can do me a better deal Oddjob, that'd be great.
Bryanj:
They are very rare to find, take what you can get, it looks like the switch or drum got fitted wrong to bend like that
Oddjob:
80 euros, Jesus that’s dear.
I have 4 of them, 3 are the early version, 35750-333-013 and the last is 35750-333-023. All are still sealed in genuine Honda bags. There seems to be no difference between the 013 and 023 versions, Honda used that to show either slight modifications or a different suppler. In this case I suspect the latter.
Not sure where you are in the world but I suspect not the UK. As such I can’t say how much postage would be offhand but the switch itself would be £35 for the 013 version and £40 for the 023 version. That’s only because I only have one of the later and I can guarantee someone at some point will try and say they only want to fit the one listed in the parts book. The 013 version btw was the one listed for the 350F and afaik the gearbox is identical.
I could charge more of course but I detest people who overcharge and I’m not going down that road. The only reason it’s as expensive as it is is because I had to source them from Holland and the postage was very high or they’d be even cheaper.
Let me know if you want one and I’ll dig the one you select out and see how much postage would be.
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