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Author Topic: My RM80B barn-find roach rescue.  (Read 13294 times)

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Offline John Orchard

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My RM80B barn-find roach rescue.
« on: October 12, 2015, 10:01:07 pm »
I'm very angry with Jodie, I said to her after the last reno "Please remind me of all the head-aches before I take on another one" She didn't !!!!  ;-)

The bike still has (what's left of them) the original tyres, has compression, has spark, the rear Koni's have damping and no leaks and DG airfork caps; that flatslide carb will have to go.

Free bucket-load of bird poo for your garden  :-)



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Offline Rossvickicampbell

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Re: My RM80B barn-find roach rescue.
« Reply #1 on: October 12, 2015, 10:46:27 pm »
oh dear - addiction - do you need a phone number for that John - maybe an intervention?
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Offline cyclegod

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Re: My RM80B barn-find roach rescue.
« Reply #2 on: October 12, 2015, 10:50:19 pm »
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Offline John Orchard

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Re: My RM80B barn-find roach rescue.
« Reply #3 on: October 13, 2015, 08:33:41 am »
Quote from: cyclegod on October 12, 2015, 10:50:19 pm
Sold have gotten this one...

http://www.ebay.com.au/itm/Suzuki-1978-Rm-80-/151845218865?hash=item235aae2a31


I looked at buying that C model, if it was closer to me I would have :-)
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Offline bigk

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Re: My RM80B barn-find roach rescue.
« Reply #4 on: October 13, 2015, 04:12:56 pm »
There are a couple of pipes here for painting (not mine), one is probably spare, I'll ask if you like? Done a few tanks recently (B & C) & pretty sure there are tank decals (B) here as well.
K
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Offline 80-85 husky

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Re: My RM80B barn-find roach rescue.
« Reply #5 on: October 13, 2015, 07:11:55 pm »
that patina is priceless....rat rod it?
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Offline Doc

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Re: My RM80B barn-find roach rescue.
« Reply #6 on: October 13, 2015, 08:31:53 pm »
Looks to me the little RM has a DS80 cylinder and '82 RM80 cylinder head ;)
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Offline Husk72

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Re: My RM80B barn-find roach rescue.
« Reply #7 on: October 19, 2015, 03:36:51 pm »
Excuse my ignorance Doc. I thought the DS was a detuned RM ?
Pipe, and carby mods, I was once told. Obviously I have been given incorrect information.


                                                                                           Cheers, Mark.

                                                             










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Offline Doc

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Re: My RM80B barn-find roach rescue.
« Reply #8 on: October 19, 2015, 10:20:08 pm »
Your information is correct Mark..the DS80 is basically a detuned RM80B. Good donor source for gear clusters, input/output shafts, clutch and kickstart mechanisms not only for the 5 speed 80B but also RM50C/N/T. 
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Offline John Orchard

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Re: My RM80B barn-find roach rescue.
« Reply #9 on: October 26, 2015, 02:21:31 pm »
Chipping away at it.......

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Offline John Orchard

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Re: My RM80B barn-find roach rescue.
« Reply #10 on: October 27, 2015, 12:19:44 am »
Doc is correct, it is an '82 RM80 cylinder head and a DS80 cylinder.  I bought a piston for the RM80 which has lubricating holes for the exhaust port bridge ...... but the DS is unbridged  :-(  ..... wonder if I could peen-over the alloy and block the holes?
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Offline Momus

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Re: My RM80B barn-find roach rescue.
« Reply #11 on: October 27, 2015, 01:10:33 am »
John, I've done this by using a bit of ally wire as a rivet . Put a chamfer on the outside of the hole in the piston so you can form a secure head. Copper or brass would be ok too.
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Offline alexbrown64

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Re: My RM80B barn-find roach rescue.
« Reply #12 on: October 27, 2015, 01:24:40 pm »
Quote from: John Orchard on October 26, 2015, 02:21:31 pm
Chipping away at it.......



Everything is starting to look really good.  Its great fun when you strip them down, clean all the parts and get them painted/powdercoated/polished etc...
Keep up the good work.
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BEARVMX

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Re: My RM80B barn-find roach rescue.
« Reply #13 on: October 27, 2015, 01:58:54 pm »
love these little rm80b,s 1977 just picked up this one recently cheers Bear,

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Offline alexbrown64

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Re: My RM80B barn-find roach rescue.
« Reply #14 on: October 27, 2015, 07:41:58 pm »
That is a really nice B there Bear.  How did you score that beauty?  An oval plate on the front would finish it off nicely but she looks great.  Is that a repackable muffler on the exhaust?

Cheers,
Alex
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