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Messages - Wenman
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31
« on: March 08, 2019, 08:55:27 AM »
Thanks moorey for your help! It was much appreciated!
I’ve managed to find someone locally who has a small lathe and is confident he can whip these up in an hour for £30!!
I think he said he would whip them up in between projects lol!
Cheers again
Al
32
« on: March 07, 2019, 04:27:13 PM »
That’s what I was thinking moorey! Lol
33
« on: March 06, 2019, 10:56:15 AM »
Morning!
Can anyone recommend a good engineer shop that could lathe up some spacers for me?
Obviously within the UK, I’m located in Devon but I assume most places can deliever them!
Thanks
Alan
34
« on: March 05, 2019, 10:45:20 PM »
Looking at the pics maybe one side recessed and the other was flush?
35
« on: March 05, 2019, 09:05:08 PM »
Thanks moorey!
Can you see... those silver bushings coming out of the swingarm, do they just butt up against the frame or do they fit inside a recess in the frame?
Thanks
Alan
36
« on: March 04, 2019, 07:13:10 PM »
No way! Thanks Moorey!
If possible can I see close ups of the swingarm pivot point. If you look at the swingarm where the pivot bolt runs through I’m particullary interested in where the swingarm meets the inside of frame.
If you can imagine I plan on making spacers to take up the gaps at each side of the swingarm as the 750 frame is wider than the new swingarm.
If it’s easier to email the pics my email isalanwenman@hotmail.co.uk
Thanks angain I really appreciate your time!
Alan
37
« on: March 04, 2019, 06:42:30 PM »
Oh dear! Sorry Julie my fault!
That’s the one tho thanks for clearing that up
Alan
38
« on: March 04, 2019, 06:13:30 PM »
No Julie,
I know it dosent fall within the SOHC category, I was hoping someone might have one!
I’ve put a pic of a bike like the one I’ve taken the swingarm from,
Thanks
Al
39
« on: March 04, 2019, 05:48:33 PM »
I am trying to fit a swingarm from a cb400sf into a 1981 cb750.
I could really do with photographs of the swingarm as it fits to the original bike to assist with my quest.
If anyone has one that could send some pics I would be forever grateful!
Any other help would also be appreciated
Thanks
Alan
40
« on: November 09, 2018, 10:15:10 AM »
Any more thoughts?
41
« on: October 24, 2018, 07:45:10 PM »
The first challenge is to get the rear wheel perfectly centred. If it's not dead in line, you will have all sorts of issues!
Then you can drop a chain on and see how the alignment will work. Or not
It is possible to machine the sprocket carrier down some to bring it in, and you may be able to buy or have made a front sprocket with more offset to get it to line up. Tyre clearance will limit you, as will the frame clearance and front sprocket cover.
When you have all that done, getting spacers turned to fit us the easy bit!
That all sounds promising! Thanks for the update!
Al
I have seen some fairly chunky back wheels fitted to these, so Google a few 'Spencer Replicas' for 750/900 fitted with alternative running gear and see what size rear tyres/rims they have. I reckon you should be ok with this rear end but it will take a bit of fiddling
42
« on: October 24, 2018, 07:43:57 PM »
I've always liked those Honda's from that era and had a 900 in the eighties.
Doesn't look bad from the photo. First thing youd need to look at is getting a chain on the sprockets to see what you have in the way of alignment. They used pretty skinny tires originally, and the gearbox sprocket could be too far in to clear the wider rear tire and rim. If you clear that then you at least have an easier path with less fundamental stuff.
What style bias are you considering?
Thanks for that.. by bias I take it you don’t mean tyre? 😂
43
« on: October 23, 2018, 10:33:56 PM »
I love my little Cb550f to death it’s vintage cafe brat looks melt me every time! However I’ve managed to acquire something a little bigger as a next project a CB750 1981dohc!
I’ve always had an attraction to these bikes and wanted something with a little more grunt that I could add a sporty feel too! This one came with a CBR1000 Fireblade front end and has only done 14k on the clock!
The rear however has a swingarm from a CB400 sf (I think)including brakes and wheel!
The question is how easy would this be to fit properly?
Obviously I’m considering whether the sprockets are going to match or even line up, what mods are require to the pivot bolt and what spacers etc are required?
Should I be thinking of going back to stock or can it be done?
I know it’s quite a complicated question and without measurements and magical science won’t get step by step ‘how to’ guide just wondering if it’s feasable?
Be good to have a rear wheel that’s more in keeping with that front end!
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I’ll try and attach a photo!
44
« on: September 30, 2018, 07:41:24 AM »
That’s sounds cool mike!
Be safe people!!
Al
45
« on: September 29, 2018, 09:59:22 AM »
Anyone taking pet in the distinguished gentlemen’s ride out tomorrow!
I’ll be taking part in the Exeter ride, be sure to say hello if your there!
Look about for the black 77 CB550F!
Alan
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