Honda-SOHC
General => New Member Introductions => Topic started by: garyjpaterson on March 07, 2023, 07:24:18 PM
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Thought i better do the mandatory introduction before i get in trouble.
I'm a fairly new rider, in my 20s (though not for long...), and late 60s/early 70s Honda's are what I see in my head when you picture the word "motorcycle", they are the quintessential, imo.
I have a 1971 CB350 twin, which I adore. Its not perfect, its been poorly painted in the past but its good enough for me.
(https://media.discordapp.net/attachments/537764360387428359/1082744636663136366/IMG_4718.jpg?width=1253&height=835)
The K0-K6 CB750 is more or less a dream bike, but I tend to fall on the cheap side so of course I picked up the roughest one available.
I'm afraid to even show it, but here it is, after its maiden test ride a few days ago.
(https://media.discordapp.net/attachments/848935322033324083/1081617042332983356/IMG20230304162952.jpg?width=1113&height=835)
Bought sight unseen from ebay as a non runner, I'm sure some of you have seen it floating around before. Had extended forks, tall bars, strange seat, horrible graphics painted on the side covers, tank smoothed over and painted black, double width chain and sprockets, the works. (I'll be (trying to) sell all of those parts, if anyone wants. The extended forks came with early style lowers, that seem decent)
Also a lot of stuff has been sadly poorly chromed, and the cylinder/heads been painted black. The new seat came with it. I like it, but it seems to sit a little squint, as if it needs some shims or something on the hinges.
My priority is to get it running (check), and road legal (still working on it), on somewhat of a budget if possible! I'll then get the tank/covers/badges done later. Same with the exhaust, and i'd like to get an 18 inch rear wheel too.
Been good fun going through it and getting it to run. The lack of spark was simply dead condensers, crusty points, ignition wire unplugged (security measure?). Carbs were of course all caked in dirt, but once cleaned it fired into life with surprising ease. Needs tuned, but for now my attention has moved towards getting it road worthy.
There were quite a lot of electrical issues, though I think I have everything working now, just missing indicators. Rebuilt the master cylinder and caliper. Forks need doing, and the steering head bearing is as bad as I can imagine one ever getting, was like riding a bike via the arrow keys!
I could go on, but you get the idea. Everything needs going over, and will get done, but over time.
Here's a bonus pic from the sale. The way I see it is I'm saving it... someone had to do it anyway!
(https://media.discordapp.net/attachments/537764360387428359/1082744606334132336/s-l1600_6.jpg?width=1113&height=835)
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Welcome to the forum Gary. Get her safe, that's the most important thing.
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Welcome Gary loads of tips & expertice here.
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Cool.
You have a forest in your back garden?
Sent from my iPhone using Tapatalk
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Welcome Gary - got a 350 and 750 myself, but the reverse to you - the 750's are finished and the 350 is a work in progress. Enjoy the forum
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Hi Gary, welcome to this very helpful and useful forum, even good just for the banter 😂 Plenty of people on here that do know what they are talking about. Nice choice of bikes there.
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Post a pic of the underside of the seat, it sounds like a copy and they are known not to sit properly. It may be possible however, if it is a copy, to alter it so it sits on the frame better.
Prefer the 350 to the 750 myself. Personal choice.
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Welcome to the forum. It looks like you live in a field!
Good bikes though. 👍
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Welcome, Gary!
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Welcome Gary, love the little 350. I'm not too far along the road from you, just the other side of Elgin. Currently working on my old 400/4 for the summer.
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Welcome aboard! The 350 looks nice! What is the exhaust link pipe in the 750...Looks like rubber tubing ?
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Welcome to the fun factory Gary,
Love the 350 (I only had a 250 - should have kept.....yeah, yeah!) Not old enough yet for a 750 though. Unbelievable amount of knowledge and help is available here on Steve's excellent forum.
That picture with those tall stick things reminds of my Sisters place in Kincas - not far away I suppose. A bit short of those up here.
Ian
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Welcome to the fun factory Gary,
Love the 350 (I only had a 250 - should have kept.....yeah, yeah!) Not old enough yet for a 750 though. Unbelievable amount of knowledge and help is available here on Steve's excellent forum.
That picture with those tall stick things reminds of my Sisters place in Kincas - not far away I suppose. A bit short of those up here.
Ian
Can’t remember if the reindeer ate them or were they chopped down for building, fuel etc. it was a few thousand year ago!🤣🤣
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Thanks for the well wishes folks
Post a pic of the underside of the seat, it sounds like a copy and they are known not to sit properly. It may be possible however, if it is a copy, to alter it so it sits on the frame better.
Yeah its a copy, was included with the bike. Was tough to get it to even tilt up. Here's what it looks like atm, you can see it sits high on the latch side, in fact it doesn't even rest on the rubbers.
[attach=1]
[attach=2]
[attach=3]
Prefer the 350 to the 750 myself. Personal choice.
I prefer the 350 too, as things stand! It goes, stops and turns properly. I'll re-evaluate once the 750 does those things too :D
Welcome aboard! The 350 looks nice! What is the exhaust link pipe in the 750...Looks like rubber tubing ?
I'm not sure tbh, just seems like creased metal tubing, painted a strange finish. Needless to say I'm not keen on the exhaust as a whole, I think I'll probably end up with a Delkevic one, as I haven't seen any others similarly priced. I'd of course love a proper 4 into 4 set, but I can't see myself spending 1k+ on one!
Lastly, for now - steering head bearings. I'm seeing different kits come with different spacers/washers, and wondering if there is a "known good" set out there, for a k3?
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There is an alternative Gary, see if you can buy a genuine seat pan, so long as it's not too rusty, seat cover is immaterial, the worse the better as they tend to be going cheap then. When you get the seat remove the pan and foam, get the pan powder coated and then swap the cover and maybe foam over from the copy seat. That way it will look ok, last far longer as the pan is almost rust proof then and best of all it will fit perfectly.
Something like this.
https://www.ebay.co.uk/itm/353201039245?hash=item523c6c278d:g:EDsAAOSwVYBgbCYf&amdata=enc%3AAQAHAAAA4GuaDMFq03sa0i5d54Q1Xp7iFTJUbOOzg62fhM5ENNRL5TNTzFcYUit8at7%2FJ7FzhqMsD%2FmigChSaP4pmR38WYT3IANHVJd39Agmd9iTIsqb4CFiK3QEmmbmPEMQVWb4z0P6PG7c%2FOKtVDaGtgj8xKNHTXQ%2BsYN1BhGupbiMYlIlymH4PgTZOTEQUDyTrGvOggQHolVy%2FqaBWHi%2Fv%2FTMyFg1DnLXtboVUBuY%2FfnOfqm360gtCVCG2Xwm3Nf1A5x4qtPbLmvNSWnavXruV%2FOKdjZLc7PVwQf2FNYbDf19L7Rr%7Ctkp%3ABk9SR76r0czZYQ
Or this.
https://www.ebay.co.uk/itm/353869126685?hash=item52643e5c1d:g:~DQAAOSwpa9h6uRw&amdata=enc%3AAQAHAAAAwIG5nRj1Ejkze%2BEpN01MQoepNAwQDpvCeyjtd%2FR2x6Rv442ZoH%2B3dx335l2rRQH0yySyi37FVliBO%2F%2FgwA%2F0Y8aRueyIEiOTHDAqnsIwZ263qwZzNJzhPvFCcqYlByLWSnuQUyJwZLuttPP4Z2ScaB%2B%2FhNM7nVhvXrWD88jBya19JAQJxek3RsXjVizi%2B537UHF158WzooLmlWYgxJhCKkqH0vZvwqG1O2QTuy6mgKrrw%2BP7C6%2FgxJdREzQia2bsvQ%3D%3D%7Ctkp%3ABk9SR7yr0czZYQ
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Thanks for the well wishes folks
Post a pic of the underside of the seat, it sounds like a copy and they are known not to sit properly. It may be possible however, if it is a copy, to alter it so it sits on the frame better.
Yeah its a copy, was included with the bike. Was tough to get it to even tilt up. Here's what it looks like atm, you can see it sits high on the latch side, in fact it doesn't even rest on the rubbers.
(Attachment Link)
(Attachment Link)
(Attachment Link)
Prefer the 350 to the 750 myself. Personal choice.
I prefer the 350 too, as things stand! It goes, stops and turns properly. I'll re-evaluate once the 750 does those things too :D
Welcome aboard! The 350 looks nice! What is the exhaust link pipe in the 750...Looks like rubber tubing ?
I'm not sure tbh, just seems like creased metal tubing, painted a strange finish. Needless to say I'm not keen on the exhaust as a whole, I think I'll probably end up with a Delkevic one, as I haven't seen any others similarly priced. I'd of course love a proper 4 into 4 set, but I can't see myself spending 1k+ on one!
Lastly, for now - steering head bearings. I'm seeing different kits come with different spacers/washers, and wondering if there is a "known good" set out there, for a k3?
That looks like a DSS after market seat. Some years ago they were selling them with the rubbers too long. You need to measure the depth of the rubbers . ;)
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The Two rubbers at the front should be 25mm, the rear three should be 10mm. I did find one of the rear ones that DSS used to fit and it was 17mm ( last Picture ). Check this before even thinking of changing the seat pan ;)
[attachimg=1]
[attachimg=2]
[attachimg=3]
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Personally I'd try and get the copy seat to fit correctly first. Remove the seat lock plunger, does it sit right now? If not remove the rear rubber, try again, keep doing that, removing stuff until it looks right. Refit the seat lock plunger and check to see if it still sits right, if it does it's the rubbers clearly. If nothing works it's the shape of the copy pan causing the problem. You could try getting some plasticine when the rubbers are removed and settling the seat so it looks right, measuring the thickness of the plasticine and altering the rubbers to suit. It should be fixable, unless the seat pan is made wrong. In which case go down the route I described above.
Just doing my seat pan for the 500 as we speak, altering stuff so it fits better and trying to solve problems I've found over the years.
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Nothing aftermarket seat pans from DSS, it is a well known fact that it was the rubbers. If you find the rubbers too thick and you have just bought the seat from Dave Sliver, contact them and they will send you the correct size rubbers ;)
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Welcome Gary, I'm new here as well but I can tell you................a good group to be associated with!
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Now thats embarrassing - the seat fits fine. Turns out it just needs a good slam! I didn't realise there were 2 catches on the plunger, after the first click i thought that was it, and tbf it clearly takes a good bit of force to get to the second as it held my weight before. I did loosen it off and align it a little better, but it still needs a good push to get that second click. All nice and level now, and all the rubbers sit nicely on the frame
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Nice one Gary, yes you want it tight but not awkward to close. Doesn’t need to be with someone’s rear end on it.😜
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Now thats embarrassing - the seat fits fine. Turns out it just needs a good slam! I didn't realise there were 2 catches on the plunger, after the first click i thought that was it, and tbf it clearly takes a good bit of force to get to the second as it held my weight before. I did loosen it off and align it a little better, but it still needs a good push to get that second click. All nice and level now, and all the rubbers sit nicely on the frame
Glad you have that sorted. That is why there are two notches on the plunger. These can be adjusted with a couple of spanners ;)