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Messages - BenPowell

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SOHC Singles & Twins / Re: CB350 1971 Restoration Project
« on: April 11, 2021, 07:36:12 PM »
Thanks for the info on the light pattern Gareth, confirmed what I was thinking.

Cheers Ash, let me know, in no massive rush, but if you have one that would be great.
I wont be in work next week, got some time off, unfortunately it'll be spent finishing my uni work off and not on the bike. may be able to find some time for a bit of tinkering though  ::)

SOHC Singles & Twins / CB350 1971 Restoration Project
« on: April 11, 2021, 12:13:28 PM »
Hi everyone,

As promised I’ve created a post to follow the process of my first restoration project, perfect timing for the new singles and twins area 😁

Any pointers along the way would be massively appreciated.

I will try to keep this as up to date as possible and post pictures when progress is being made.

Anyway, to start with the bike had a seized engine, but looked to have been dry stored based on the condition of the chrome, the mileage is also fairly low at 8500miles.

After checking the oil it was a bit low but very clean so good signs all round.

I removed the spark plugs the other night, one was finger tight and the other was a bit stuck, and took some work to get it out, threads all seem okay though. One was a NGK and the other was a champion (I think, the ceramic part broke), maybe the bike was parked up due to no spark or something, who knows.

So next thing was to free up the engine, I used a 50/50 mix of acetone and some left over DSG transmission fluid from my car service, (apparently DSG is thinner than ATF), gave it a mix and put some in the bores.

Left it sat for 10 mins and rocked the bike back and forth in 5th gear gently and it broke free. Will still be stripping the engine in the future but good to know it can’t have been seized that badly. Hopefully the bores can be cleaned up.

One thing I have a question about is the headlight, is it legal for use in the UK with the bike being an import form the states, different beam patterns etc?


New Member Introductions / Re: Newbie Member
« on: April 08, 2021, 07:50:44 PM »
I think there’ll be plenty of photos taken, more so I know how things are meant to look during the rebuild.  ;D

Thanks again everyone, wasn’t expecting as many replies as this


New Member Introductions / Re: Newbie Member
« on: April 08, 2021, 03:31:54 PM »
Thanks everyone for the replies so far.

Hopefully the clean oil is a sign the engine is in good condition, as Ash said, and just seized from standing, won’t know till it’s apart though.

First job is to try free it up, think it will need a long soak with some stuff in the bores.

Won’t be getting properly started for a few weeks so could leave it soaking for a long while

New Member Introductions / Re: Newbie Member
« on: April 08, 2021, 11:12:39 AM »
I had read somewhere that the twin was slightly faster, couldn’t get my head round that, suppose it must be down to the increased weight?

There was a 4 cylinder for sale at the same time as mine, personally I like the look of the twin.

I imagine it’s a little less complex too.

New Member Introductions / Re: Newbie Member
« on: April 08, 2021, 01:01:09 AM »
Hi Dave,

I'll enjoy restoring it, probably be a while before I'm out on it though.

I actually work with Ash, he pointed me to the forum, and towards Honda Cb's :D

Seems like a great community on here.



New Member Introductions / Newbie Member
« on: April 08, 2021, 12:36:55 AM »
Hi Everyone,

Newbie member, recently joined a few days after picking up my first project bike (CB350 1971).

Initially I had a read through and had to join, absolute goldmine of information on here.

I decided to buy the bike as a bit of a treat to myself (bit of an impulse buy), as I'm coming to the end of what feels like forever studying.

I got the bike from Summerbud Classic Bikes via eBay, overall really happy with the condition of the bike given its age, and only seeing photos up until i collected it.

At first I wasn't sure what to do with the bike, modify it or restore it, but after seeing it on the day and plenty of arguments with myself over it, I've decided to restore the bike as original as possible.

Photo of the bike below showing how it is at the moment. Cannot wait to get started on it.

Definitely welcome any advice along the way.

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