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Author Topic: Dirtbag Oil-Boiler  (Read 10582 times)

Offline doc_rot

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Re: Dirtbag Oil-Boiler
« Reply #50 on: Nov 04, 2018, 15:30:25 »
thanks guys. I'm excited for this project to come together.

Offline crazypj

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Re: Dirtbag Oil-Boiler
« Reply #51 on: Nov 05, 2018, 02:12:58 »
I forgot to answer your question about swing arm being bent if sprocket carrier bearing spacer is left out. Not only likely but common. On later GSXR the welds can/will crack, particularly 2008~2010 which had pretty poor welds . Early models were welded up properly so you can heat swing arm and push it back into shape (only heat bent side near pivot end and use scissor jack with wood block) I had to do one or two at dealer after people got cheap tyre change and spacer 'went missing'. Usually the sprocket carrier bearing was shot as well with wheel 'floating'
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline doc_rot

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Re: Dirtbag Oil-Boiler
« Reply #52 on: Nov 24, 2018, 01:11:41 »
The old steer stops were broken off so I turned some bushings and bolted them to the lower triple. i also started on a fork brace/fender mount for the late model fender. Not sure how I will mount the fender and whittle the brace down yet.
« Last Edit: Nov 24, 2018, 06:25:21 by doc_rot »

Offline Streetfighterkz

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Re: Dirtbag Oil-Boiler
« Reply #53 on: Nov 24, 2018, 14:56:37 »
Looking good! 

Kinda makes me miss my 89 750....almost.

Later, Doug
'78 Kz1000
'76 Kz900 'Stripfighter (work in progress)
'83 Gpz750 (work in progress)
'89 V-Max
'89 Gsxr750 Trackfighter

Offline doc_rot

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Re: Dirtbag Oil-Boiler
« Reply #54 on: Jan 22, 2019, 06:43:05 »
I found a Bandit 1200 to use as a donor. I probably paid a little too much for it considering what a turd this thing was; no title, booger welds galore, loads of hacked parts. I was hoping to part out what I didn't need and recoup some cost but aside from what I need there isn't anything else really to sell off.  The engine fired up and sounded OK. needs a clutch bad. It was pretty greasy so i hosed it down with Gunk it and cleaned it up a bit. The 1200 engine slid right into the 750 frame after I took the valve cover and a cam cap, There is loads of room to remove the valve cover to check clearances. I need to sort out the motor mounts, I'm wondering if i should oversize the mounting bolts to remove the slop.
« Last Edit: Jan 22, 2019, 08:11:11 by doc_rot »

Offline canyoncarver

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Re: Dirtbag Oil-Boiler
« Reply #55 on: Jan 22, 2019, 11:52:51 »
That's a really sweet upgrade, dropping the Bandit motor in there. 

Offline 1fasgsxr

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Re: Dirtbag Oil-Boiler
« Reply #56 on: Jan 22, 2019, 13:18:35 »
Man that Bandit was ugly...
http://www.dotheton.com/forum/index.php?topic=41083.0

Life is a journey from the maternity ward to the crematorium....

Online irk miller

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Re: Dirtbag Oil-Boiler
« Reply #57 on: Jan 22, 2019, 13:54:17 »
Perfect fit.  Who'da thunk?

Offline Streetfighterkz

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Re: Dirtbag Oil-Boiler
« Reply #58 on: Jan 22, 2019, 14:17:29 »
The Bandit is, umm, interesting.  I had a B6 with a B12 engine shoe-horned in it about 7-8 years ago. Fun bike power-wise but someone along the line put a VFR SSSA on it and messed up the rear geometry some. Never did sort the right shock for it before I sold it.

Anyways, Ive heard that the Bandits and Gsxrs use either 10mm or 12mm hardware for the same engine mount depending on model and year. Id go with bigger bolts to take up the slop.

Later, Doug
'78 Kz1000
'76 Kz900 'Stripfighter (work in progress)
'83 Gpz750 (work in progress)
'89 V-Max
'89 Gsxr750 Trackfighter

Offline doc_rot

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Re: Dirtbag Oil-Boiler
« Reply #59 on: Jan 22, 2019, 17:55:28 »
the bottom rear motor mount is 12mm on the B12 instead of 10 on the GSXR 750. I'm thinking about changing all the bolts up to the next imperial size to remove the factory slop, so 1/2" where 12mm is used. 7/16" where 10mm is used and 3/8" where 8mm is used. It should help tie the engine and frame together better, but i dont know if its worth the hassle. This engine appears to be stock so, all i'm going to do is get an ignition advance, jet kit, and build free flowing pipe and this engine should be making around 120hp.