Topic: Dorothy III - CB750

[70CB750]

Seems like Suzuki GS1100 will do:

[70CB750]

Sidecar will be for the K3F.

[70CB750]

Not at all.   

I want two bikes - one for travelling in two or three or just me a and a dog  - second to ride solo.

[Stev-o]

Have you thought about using a GL front end? Has dual disc and the wheel may be alum[?]

[Retro Rocket]

Seems like Suzuki GS1100 will do:

Info for the GS1100 arm, they have a larger diameter pivot bolt , mods needed to frame to fit, they aren't as wide at the pivot end as the 750 stock are, spacers needed to fit, they are also nearly 4 inches longer. I have one i'm using but it will be shortened at the pivot end to retain stock geometry.. The lower shock mounts are also in a wider position on the GS arm, Brake arm is on the top which works great for a disc application, not so much with drum, more mods needed.  Its no where near a bolt in fit... It is a nice arm though....

[70CB750]

Thank you for the info, much appreciated!

Seems like Suzuki GS1100 will do:

Info for the GS1100 arm, they have a larger diameter pivot bolt , mods needed to frame to fit, they aren't as wide at the pivot end as the 750 stock are, spacers needed to fit, they are also nearly 4 inches longer. I have one i'm using but it will be shortened at the pivot end to retain stock geometry.. The lower shock mounts are also in a wider position on the GS arm, Brake arm is on the top which works great for a disc application, not so much with drum, more mods needed.  Its no where near a bolt in fit... It is a nice arm though....

[Retro Rocket]

Thank you for the info, much appreciated!

Seems like Suzuki GS1100 will do:

Info for the GS1100 arm, they have a larger diameter pivot bolt , mods needed to frame to fit, they aren't as wide at the pivot end as the 750 stock are, spacers needed to fit, they are also nearly 4 inches longer. I have one i'm using but it will be shortened at the pivot end to retain stock geometry.. The lower shock mounts are also in a wider position on the GS arm, Brake arm is on the top which works great for a disc application, not so much with drum, more mods needed.  Its no where near a bolt in fit... It is a nice arm though....

Too easy, I Have a GS1100 arm sitting next to me beside the computer...

[Stev-o]

Thank you for the info, much appreciated!

Seems like Suzuki GS1100 will do:

Info for the GS1100 arm, they have a larger diameter pivot bolt , mods needed to frame to fit, they aren't as wide at the pivot end as the 750 stock are, spacers needed to fit, they are also nearly 4 inches longer. I have one i'm using but it will be shortened at the pivot end to retain stock geometry.. The lower shock mounts are also in a wider position on the GS arm, Brake arm is on the top which works great for a disc application, not so much with drum, more mods needed.  Its no where near a bolt in fit... It is a nice arm though....

Too easy, I Have a GS1100 arm sitting next to me beside the computer...

Bolt that thing up and get a roller going Mick!

[70CB750]

Have you thought about using a GL front end? Has dual disc and the wheel may be alum[?]

Yes I did, but than I found these VFR elements and they seem to be a good choice.  Like those calipers will work with original K discs, headlight brackets I have will fit VFR forks, seems kind of clicking together if you know what I mean.

[seanbarney41]

Prokop, you might look into the viability of using some variety of VF/Interceptor swingarm...I have done no actual measurements, but the arm on my '86 VF500 is a very nice aluminum swinger and looks like it could go into a cb quite easily.  You would need to fab and weld mounts for twin shock.

[70CB750]

Prokop, you might look into the viability of using some variety of VF/Interceptor swingarm...I have done no actual measurements, but the arm on my '86 VF500 is a very nice aluminum swinger and looks like it could go into a cb quite easily.  You would need to fab and weld mounts for twin shock.

Thank you, I will look into it.  I already decided to scratch the single shock idea, not worth it.

[70CB750]

Wow, the ebay price on these is amazing.  But it seems to be cast aluminum, I would not feel safe alternating cast aluminum.

Would you mind taking some basic measurements - just ball park figures - width, bolt to axle...?

Prokop, you might look into the viability of using some variety of VF/Interceptor swingarm...I have done no actual measurements, but the arm on my '86 VF500 is a very nice aluminum swinger and looks like it could go into a cb quite easily.  You would need to fab and weld mounts for twin shock.

[seanbarney41]

Wow, the ebay price on these is amazing.  But it seems to be cast aluminum, I would not feel safe alternating cast aluminum.

Would you mind taking some basic measurements - just ball park figures - width, bolt to axle...?

Prokop, you might look into the viability of using some variety of VF/Interceptor swingarm...I have done no actual measurements, but the arm on my '86 VF500 is a very nice aluminum swinger and looks like it could go into a cb quite easily.  You would need to fab and weld mounts for twin shock.

I will see what I can do cuz I have been curious to see how hard it would be to get it into a cb frame...it will need modifying as it is monoshock and I think that a monoshock cb is just a ton of work for a bad result...really overwhelmingly busy with other things right now but hopefully I can find time for some rough measurements some time in the next week...also, the vf/vfr bikes went through many subtle changes and there were several different sized bikes over several years (Honda's usual m.o.) so if the '86 vf500f doesn't drop right in, there may be a very similar swingarm from another year/model that does

[70CB750]

Thank you, sir. I am not gonna start the build anytime soon, more like having an idea and wait and hunt for the best prices.

[70CB750]

Btw, I took apart and cleaned pair of 93 VFR front brakes and love them to pieces, beautiful design.

[70CB750]

Working different project.

[RAFster122s]

So, your lumber was cut and presumably stickered for drying and spring is here most of the place in the US and summer weather in may places.  Have you managed to do more on the bike?

David

[70CB750]

So, your lumber was cut and presumably stickered for drying and spring is here most of the place in the US and summer weather in may places.  Have you managed to do more on the bike?

David

Thank you for asking  I got the sawmill to be dependable about month ago, it cuts but it still needs more work.  Just finding the right power transfer solution was complicated, here I utilized  Subaru timing chain tensioner, seems like it will last.

Dorothy maybe this winter, still have to deal with Red - I have one of those infamous cam chain tensioner, it could be all OK, but I bought it from Vintage750. 

[MoMo]

very creative sawmill.  What do you use it for?

[70CB750]

very creative sawmill.  What do you use it for?

Thank you.  These days I am cutting up some white oak, already done 5 logs of red eastern cedar;  generally I want to be able to turn logs into boards/beams as necessary.

I wish I build one years ago.

[grcamna2]

Prokop,
I think the 1st generation 86-87' VFR750/700F Interceptor rear swing-arm would work well on your CB750 modification;that one is not 'cast' aluminum.

[70CB750]

Prokop,
I think the 1st generation 86-87' VFR750/700F Interceptor rear swing-arm would work well on your CB750 modification;that one is not 'cast' aluminum.

That is good to know, thank you.  Looks like they are dirt cheap on eebay too.

[grcamna2]

I used to own a 1986' VFR750F and still have a few oem & custom parts for it including brand new oem swing arm bearings & a custom bushing/spacer kit for fitting a CBR600F2 rear wheel onto it.

[RAFster122s]

 Cool sawmill. I can't figure out your mechanism for the tracking end to end.  Glad you got it working. What method are you using to get the log on the machine? Have you built a solar drying kiln shed?
Saw one years ago and it was able to dry the cut materials much dryer than typical air dried methods and it was an easy construction method with the angled face in the common arc of the sun to take advantage of the peak sun hours.

[Retro Rocket]

Prokop,
I think the 1st generation 86-87' VFR750/700F Interceptor rear swing-arm would work well on your CB750 modification;that one is not 'cast' aluminum.

That is good to know, thank you.  Looks like they are dirt cheap on eebay too.

Check the length, thats the biggest issue...