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Author Topic: Boge M270 rear shocks on a 750f???  (Read 1678 times)

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Offline africanchild

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Boge M270 rear shocks on a 750f???
« on: August 15, 2011, 10:48:28 AM »
A buddy of mine (Gnarlycharlie4u) and I went up to Baltimore and picked up a 77 cb750 F project and recently noticed that these shocks sit WAAAY high up. They are the exact same size as stock... but I am clue less as to what they are/where the came from/or if they are usefull to myself or someone else.

Google seems to only be yielding BMW m3 applications  :o

El
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Offline scunny

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Re: Boge M270 rear shocks on a 750f???
« Reply #1 on: August 15, 2011, 12:35:00 PM »
here you go

http://forums.sohc4.net/index.php?topic=3695.0

[url][http://forums.sohc4.net/index.php?topic=6537.0/url]
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Offline Skunk Stripe

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Re: Boge M270 rear shocks on a 750f???
« Reply #2 on: August 15, 2011, 12:52:04 PM »
I got a pair of those. They normally were used on bmw bikes in the 70s. I would like to rebuild mine but I am not sure if that is possible anymore.
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Offline africanchild

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Re: Boge M270 rear shocks on a 750f???
« Reply #3 on: August 15, 2011, 01:28:26 PM »
Quote from: Skunk Stripe on August 15, 2011, 12:52:04 PM
I got a pair of those. They normally were used on bmw bikes in the 70s. I would like to rebuild mine but I am not sure if that is possible anymore.

Fantastic. Thanks mate! I will probably just go back to stock and see if anyone on here wants these...reasonable price?

The springs are too stiff for my application I think..
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Offline Skunk Stripe

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Re: Boge M270 rear shocks on a 750f???
« Reply #4 on: August 15, 2011, 01:29:23 PM »
For just me, mine jar me over bumbs, 2 up though and it is a dream. And this is on the lightest spring setting.
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Offline gnarlycharlie4u

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Re: Boge M270 rear shocks on a 750f???
« Reply #5 on: August 15, 2011, 01:35:01 PM »
this is good to know thanks guys.
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Offline scunny

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Re: Boge M270 rear shocks on a 750f???
« Reply #6 on: August 15, 2011, 01:42:13 PM »
I've got them on my 650. 2nd to softest setting and running preload with 20w bel ray fork fluid. feels good.
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past-cb100,ts250,cb500,cb500,gs1000,gs650g.phillips traveller
present-CB 650 retro
            VTR1000F3
           XL250S riverbed rocket
           TS250[sold]
           TS185[sold]
           XL125S[sold]
           MT50 (white)
           MT50 (red)[sold]
           KN250/XS400 project
           XR/XL250 bitsa under construction
           SL100[sold]
           XL250R
           pedal(pub bike) leaks oil
my gallery http://gallery.sohc4.net/members/personal/scunny

Offline Skunk Stripe

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Re: Boge M270 rear shocks on a 750f???
« Reply #7 on: August 15, 2011, 02:31:37 PM »
You must have softer springs. I wonder if softer springs would fit on these shocks?
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Offline scunny

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Re: Boge M270 rear shocks on a 750f???
« Reply #8 on: August 15, 2011, 02:56:19 PM »
when I ordered the shocks, the seller asked my weight and that of the bike so the springs could be matched.
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past-cb100,ts250,cb500,cb500,gs1000,gs650g.phillips traveller
present-CB 650 retro
            VTR1000F3
           XL250S riverbed rocket
           TS250[sold]
           TS185[sold]
           XL125S[sold]
           MT50 (white)
           MT50 (red)[sold]
           KN250/XS400 project
           XR/XL250 bitsa under construction
           SL100[sold]
           XL250R
           pedal(pub bike) leaks oil
my gallery http://gallery.sohc4.net/members/personal/scunny

Offline africanchild

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Re: Boge M270 rear shocks on a 750f???
« Reply #9 on: August 15, 2011, 04:51:10 PM »
Did not realize they were adjustable. Maybe no sandblasting in your future then after all charlie? lol...

Thanks guys..

Build thread as soon as I remember to take pics, REALLY should have taken some while I was up there this weekend  :-\
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Online Terry in Australia

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Re: Boge M270 rear shocks on a 750f???
« Reply #10 on: August 15, 2011, 06:45:52 PM »
I've got Boge shocks on my K1, a few years ago a guy in Colorado found a container full of them and was selling them on EBay for 50 bucks a pair, and I bought a heap of them.

I've since horse-traded them all away apart from the pair on my K1, but they are a really good quality German shock, (although mine were made under license in Mexico) and were as good as Koni's in their day. They are also a lot easier to rebuild, and even came with a little tool kit so you could do just that.

Not sure where you'd find replacement seals etc now, but I'm sure someone here will know. Cheers, Terry. D;
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Offline Skunk Stripe

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Re: Boge M270 rear shocks on a 750f???
« Reply #11 on: August 16, 2011, 06:50:48 AM »
Yeah its the seals I wonder about. If I could get those, I might rebuild the things and get a lighter weight spring. The springs are in nice shape but I have seen no markings denoting weight.
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Online Terry in Australia

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Re: Boge M270 rear shocks on a 750f???
« Reply #12 on: August 16, 2011, 08:33:14 PM »
You could probably buy a pair of Ikon springs Skunky, the ones on my gold K2 look to be about the same size and length as my Boges on my K1. Cheers, Terry. ;D
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I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Skunk Stripe

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Re: Boge M270 rear shocks on a 750f???
« Reply #13 on: August 17, 2011, 06:13:42 AM »
Hmm, I might have to look into that this winter. I need to motivate myself to tear my engine out for some new seals anyways.
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