SOHC.co.uk Forums > CB750

A project for next year, it's been standing for way too long!!

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Bubbadel:
Thanks for the kind words everyone, yes my intention will be to hopefully get it back to how it was in it's heyday, reason it came off the road, a black cab driver decided not to let me filter through the west london traffic, so he clipped my back end sending me and bike onto raised kerb in middle of the road, that caused some damage to the tank, front mudguard etc. That was the start of her decline, running open bellmouths meant the rings only lasted 20,000 miles! was burning a lot of oil at the end...Swing arm cracked, when i adjusted the chain one day i saw light around the left hand side eccentric adjuster, only about 1 inch was still actually holding together, i think i was very lucky!!
Front forks were also shot, bushes worn...Yes it was time to call it a day :'( But one thing i knew was, i was never going to get rid of this bike, so many people have said "why do you keep it" they just don't understand! I have just finished doing my FZR400 Hybrid, well almost, and i look at my old cb and know i have to do it, i may even start this year and do most over the winter, but not sure if her indoors will have all this again!

Going to need new Yoshi piston rings/head gasket front forks, wheels will need to be stripped as the powder coating is coming off, yeah the yoshi pipe certainly was good quality, after all those years out in the garden the chrome is not too bad at all....But yeah i got a lot to do, i have rebuilt these engines so many times i think i could have done it blindfolded!!

Yoshi823:
Aha...a man after my own heart. I used to eat/breath/sleep CB750 until my rather large smash. I'm sure that I would still have my one if it hadn't of been written of after a head on with a car near Brands Hatch.

The Seeley designed tank reminds me of my part Phil Read Replica/CB750SS, but my one had to be made especially for the modified frame. Luckily John Pearson...who made the tanks for Colin Seeley...only lived & worked near Gravesend , so it didn't take too much to have one made specially.

I had wanted to go the 812cc direction, but when I had visited Dixon Racing down in Godalming back in 1980 to buy the kit, they didn't have any in stock...so I bought the 823 kit...hence the site name. I still have some brand newunused 823 rings in the shed in safe keeping if you're interested?

Anyway, have a good look see at UK Pete's restoration of his CB750F2 & hopefully this will spur you on to better things.

By the way...good to see the engine spread all over the floor...my girlfriend at the time of one of my many rebuilds (now my long suffering wife) didn't really appreciate bumping into the table holding my frame at the bottom of the bed when getting up in the middle of the night...but she got used to it.

Bubbadel:

--- Quote from: Yoshi823 on August 05, 2010, 02:25:24 PM ---Aha...a man after my own heart. I used to eat/breath/sleep CB750 until my rather large smash. I'm sure that I would still have my one if it hadn't of been written of after a head on with a car near Brands Hatch.

The Seeley designed tank reminds me of my part Phil Read Replica/CB750SS, but my one had to be made especially for the modified frame. Luckily John Pearson...who made the tanks for Colin Seeley...only lived & worked near Gravesend , so it didn't take too much to have one made specially.

I had wanted to go the 812cc direction, but when I had visited Dixon Racing down in Godalming back in 1980 to buy the kit, they didn't have any in stock...so I bought the 823 kit...hence the site name. I still have some brand newunused 823 rings in the shed in safe keeping if you're interested?

Anyway, have a good look see at UK Pete's restoration of his CB750F2 & hopefully this will spur you on to better things.

By the way...good to see the engine spread all over the floor...my girlfriend at the time of one of my many rebuilds (now my long suffering wife) didn't really appreciate bumping into the table holding my frame at the bottom of the bed when getting up in the middle of the night...but she got used to it.

--- End quote ---
Yeah i really want to get it back on the road now, i know i have  a lot to do and many parts to find, i'm already looking on ebay but not got the money right now, need a holiday!!
As for the 823 rings, yes i'll be interested in having them off you, and if you got a head gasket for the 823 then even better, that should be all i need for the engine apart from the usual gaskets, and i know i have a couple of threads that will need a helicoil, but thats not major..
I wanna get the engine out now :)

Rozabikes Tim:
One excited puppy!!!!  Welcome to the site.


Tim

Bubbadel:

--- Quote from: K2-K6 on August 04, 2010, 07:18:00 PM ---Really interesting, it's good you got some pictures of it over the years and those Yoshimura pipes have the best looking shape of anything available for the 750SOHC.

Like the Jeans and trainers on a racetrack too!! what style.

Are you going to try a build up as in it's heyday?

--- End quote ---
In the good old days, the monday after the Bol D'or you could pay 50 francs (a fiver) for about 20 to 30 minutes of track fun, though i really didn't want to stack it 700 miles from home!!
I did cane it though, and with every lap my speed down the long straight got slower and slower, started off at 125, after 15 minutes it was down to less than 120, i decided to restrain from using full throttle down the straight after that... I didn't want the cam to seize!! Been there got the T-shirt...lol

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