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Author Topic: turbocharged cb550 bobber  (Read 34675 times)

Offline Mcgoo

  • Posts: 122
Re: turbocharged cb550 bobber
« Reply #60 on: Jan 28, 2015, 16:53:17 »
Me too - any updates?
1972 CL450 (project) http://www.dotheton.com/forum/index.php?topic=64364.0
1981 CM400c (project) http://www.dotheton.com/forum/index.php?topic=60532.0
2013 Triumph Bonneville
1978 KZ1000 - Pending Project

Offline mswans

  • Posts: 49
Re: turbocharged cb550 bobber
« Reply #61 on: Nov 18, 2015, 10:09:23 »
this project has been on the back burner a while, but here it is now. needs a lot of tuning, but needs a lot more done before I can start doing that. Only thing I have adjusted on the snowmobile carb is the idle screw.

Offline HURCO550

  • DTT SUPPORTER
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  • DTT BOTM WINNER
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  • Posts: 2811
  • Life is short. Smile while you still have teeth.
Re: turbocharged cb550 bobber
« Reply #62 on: Nov 18, 2015, 15:19:54 »
HAHA YESS  Grand re entrance with a smoky burnout video.

I like your style =)
Keep er' Between The Ditches!!!

1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1973 Ironhead Hardtail: http://www.dotheton.com/forum/index.php?topic=68135.msg788081#msg788081
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"Two strokes are the motorcycle equivalent to Thors chariot. Full of glory and memories of battles victorious" ~ von yinzer
"Are there any die hard KZ550LTD fans in existence?" ~ doc_rot

Offline ridesolo

  • Posts: 1043
  • "Illegitimi non carborundum"
Re: turbocharged cb550 bobber
« Reply #63 on: Nov 18, 2015, 15:33:37 »
Nice.  I can hear your Mrs. calling, "Honey are you burning something out there?  What's that smell?"
“Fight on and fly on to the last drop of blood and the last drop of fuel, to the last beat of the heart.”
— Baron Manfred von Richthofen

Please check out:  http://www.VetTix.org

These are on a low simmer out in the shop:
'75 Honda CL360: http://www.dotheton.com/forum/index.php?topic=56547.0
'70 Rupp Roadster: http://www.dotheton.com/forum/index.php?topic=67459.0

Offline mswans

  • Posts: 49
Re: turbocharged cb550 bobber
« Reply #64 on: Nov 18, 2015, 23:04:05 »
Got a little work done on the rear brake linkage tonight. I decided to run a solid push link all the way from the peg to the rear. Both this linkage and the shifter linkage are snowmobile tie rods that I lengthened/shortened.
« Last Edit: Nov 19, 2015, 00:34:07 by mswans »

Offline mswans

  • Posts: 49
Re: turbocharged cb550 bobber
« Reply #65 on: Jan 15, 2016, 00:41:09 »
been fairly productive on this lately. finished the rear brake stay, battery mount, center post and gusset in the frame, tank mount, kick starter, throttle cable, tank petcock, and several other things. Beginning to work on jetting. the 40mm flatslide is rich at idle, and will not stall out with the fuel screw turned all the way in. Pilot circuit seems to need leaned out. current pilot jet is a 17.5, so I have ordered a 15 and a 12.5. if I get the idle circuit dialed in then ill begin work on the needle/needle valve/ main jet.

still looking for ideas on the following:
air filter. just run a big k&n?
speedo
tach
headlight
tires. liking the look of a firestone deluxe champion rear
tail light. 32 ford style?


Offline andycafe

  • Posts: 1173
  • Northern Suburbs, Melbourne Victoria, Australia
Re: turbocharged cb550 bobber
« Reply #66 on: Jan 15, 2016, 04:21:49 »
This thing is mad as hell  :o I love it  ;D Great whistling burnout batman  ;)

Offline coyote13

  • Posts: 1128
Re: turbocharged cb550 bobber
« Reply #67 on: Jan 15, 2016, 18:01:20 »
K&N will be perfect since you're using forced induction and won't need the Venturi force of a long intake tract.  Likely you're gonna need something more sufficient than old Firestones as far as tires are concerned.  Glad this is still alive, I wanna see this thing ripping
« Last Edit: Jan 15, 2016, 18:03:44 by coyote13 »
Half the fun's in the get there...

Offline der_nanno

  • Posts: 203
  • Faster!
    • Greasy Greg
Re: turbocharged cb550 bobber
« Reply #68 on: Jan 15, 2016, 18:35:26 »
Watching this with great interest. I'm building a hopped up turbo TR1 hotrod myself, but didn't go the draw-through route because of the lack of carbon-sealed turbos, so I am really curious on how well this one will fare you...

Cheers,
Greg
Real freedom starts with the freedom of thought.

My Blog:
http://greasygreg.blogspot.co.at

My Turbo TR1.1 (XV1000) build here on DTT:
http://www.dotheton.com/forum/index.php?topic=72571

My XS Triple Sidecar build here on DTT:
http://www.dotheton.com/forum/index.php?topic=74211

Offline mswans

  • Posts: 49
Re: turbocharged cb550 bobber
« Reply #69 on: Jan 16, 2016, 06:47:24 »
K&N will be perfect since you're using forced induction and won't need the Venturi force of a long intake tract.  Likely you're gonna need something more sufficient than old Firestones as far as tires are concerned.  Glad this is still alive, I wanna see this thing ripping

I'm hearing you on the tire choice, I'll be doing some more hunting to find a better balance between looks and decent performance. K&N's website has a pretty cool search by dimension feature so im still trying to decide what exactly I want there too.
« Last Edit: Jan 16, 2016, 19:35:52 by mswans »