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Author Topic: What performance parts are WORKING in your CB350??  (Read 28215 times)

Offline Bobdot

  • Posts: 614
    • CB1000 Endurance Racer
What performance parts are WORKING in your CB350??
« on: Oct 19, 2010, 21:41:05 »
Hey all,

Been reading through the interwebs about all sorts of performance upgrades for the CB350, of which there are many (providing you have the coin).  I've been making notes on the mods that are more cost efficient and will try to keep this first post updated with links to information as it comes in.

If you got any other performance suggestions, feel free to share.

Todd Henning Racing - High Performance Racing Parts for full-bore racers
http://web.me.com/thracing/THR/CB350_K4.html

Team Hansen Honda - High Performance Racing Parts - No idea how much anything costs yet (350 Parts towards the bottom of the page)
http://teamhansenhonda.com/parts.htm

Bore-Tech - Performance parts for racing and street
http://www.bore-tech.com/CB.html

Dennis Kirk - Good site for random parts (Gaskets, sprockets, brakes, etc), also has good levers and a High Output Stator (Single Phase, full wave)
http://www.denniskirk.com/jsp/tpl/cmn/prodlist.jsp;jsessionid=JZDATSF5XAFAXQFIDYESM4WAVAPAQIV0?store=Main&category=4&mmyId=1844&page=1

Motobits - Rearsets specifically designed for the CB350
http://www.motobits.com/vintage.html#CB350

Jerry's Cycles - MAC 2-1 exhaust pipes (sold out at the moment Oct '10)
http://www.jerryscycles.com/catalog/i19.html

Blogs/ Journals on CB350 Performance Tuning and Building

How To Build a Honda CB350 Vintage Road Racer by Eric Kalamaja
http://www.motorcycleshopper.com/articles/hondacb350/foreword.htm

VINTAGE-ROADRACE LIST CB/CL 350 RACE BIKE FAQ by Chris Marshall, Hoyt McKagen, Chris Ford, Buff Harsh, and Seg Niebuhr
http://eurospares.com/350faq.htm

Nisky Garage by Rick Ketcham and Rich DeSimony
http://niskygarage.logical.net/CB350/index.html

Posts from other Forums that can be useful

"Race Prepped CB350" on .net - takes a while to weed through the bullshit but there's good stuff in there and an amazing build
http://www.caferacer.net/forum/topic.asp?TOPIC_ID=11530&whichpage=18

"CB350 - a little more power" on avdrider - good technical stuff, lots on jetting
http://www.advrider.com/forums/showthread.php?t=598092&page=3


bob.
« Last Edit: Oct 21, 2010, 13:25:39 by Bobdot »

Offline TonyD

  • Posts: 150
  • Born to ride in '75
Re: CB750 Pistons in a 350??
« Reply #1 on: Oct 19, 2010, 22:05:14 »
i'm running 750 pistons in my 500..........................

Offline joevirus563

  • Posts: 975
Re: CB750 Pistons in a 350??
« Reply #2 on: Oct 19, 2010, 22:25:14 »
i'm running 750 pistons in my 500..........................

Please :) explain your setup :D

Offline Cat13

  • Posts: 52
Re: CB750 Pistons in a 350??
« Reply #3 on: Oct 19, 2010, 22:44:20 »
I've got a 360 and if I can bore it out for a larger size piston please let me know! A cb750 would be tits if I can do it...
Torn between the good girl bad girl thing....
Support my ride to conquer cancer....
http://www.conquercancer.ca/goto/cat13

Offline teazer

  • DTT SUPPORTER
  • *
  • DTT BOTM WINNER
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  • Posts: 8161
Re: CB750 Pistons in a 350??
« Reply #4 on: Oct 19, 2010, 23:02:57 »
CB750 has a 61mm bore IIRC and the CB350 is 64mm. CB750 has a very low piston crown so that would drop compression if you sleeved it to fit.

Now if we look at 12.5:1 CR 65mm (836 kit) pistons, that might be a possibility.  Valve pockets are all wrong on a SOHC 4, but they might be possible.  We have a Wiseco 64mm KZ piston and a CB750 WISECO and stock CB570 and CB350 and 360 pistons that we have bought to look for alternatives and so far no luck.  I'd like to see a super high CR 836 kit piston to see if that might work.

A better answer is to contact Les Barker and get a pair of these http://www.vintageadvantagemotorcycles.com/vintage%20advantage%20website%20photos%20350.jpg


Offline crazypj

  • Posts: 12481
  • Split personality, I fake being smart
Re: CB750 Pistons in a 350??
« Reply #5 on: Oct 20, 2010, 01:55:31 »
You got it backwards, you fit CB350 pistons to a CB750 for a cheap 836 kit
'you can take my word for it or argue until you find out I'm right'
I gave my girlfriend an orgasm the other night, but, she spat it back at me
 Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry
 Itís not worth doing something unless someone, somewhere, would much rather you werenít doing it  (Terry Pratchett)
CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline Bobdot

  • Posts: 614
    • CB1000 Endurance Racer
Re: CB750 Pistons in a 350??
« Reply #6 on: Oct 20, 2010, 02:24:27 »
this is what I'm talking about, lets get down to the nitty gritty.  What WORKS, and what doesn't.  I demand not only answers, but explanations!

bob.

Offline Bobdot

  • Posts: 614
    • CB1000 Endurance Racer
Re: CB750 Pistons in a 350??
« Reply #7 on: Oct 20, 2010, 02:27:02 »
Dare I bring up type 1 cams?  Higher revs I hear?

bob.

Offline crazypj

  • Posts: 12481
  • Split personality, I fake being smart
Re: CB750 Pistons in a 350??
« Reply #8 on: Oct 20, 2010, 02:28:46 »
Are you working on a 350 or a 750?
 CB750 pistons fit into CB125 to give a 145cc motor (need mods to get clearance)
'you can take my word for it or argue until you find out I'm right'
I gave my girlfriend an orgasm the other night, but, she spat it back at me
 Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry
 Itís not worth doing something unless someone, somewhere, would much rather you werenít doing it  (Terry Pratchett)
CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline Bobdot

  • Posts: 614
    • CB1000 Endurance Racer
Re: CB750 Pistons in a 350??
« Reply #9 on: Oct 20, 2010, 02:35:42 »
I am working on a 350, looking for options.