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> New project:Adapting motorcycle Throttle Bodies, this should be "interesting" :)
Mueller
post Jan 21 2005, 01:53 PM
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The cost of aftermarket throttle bodies is way up there, the bottom of scale we have the CB Performance units which are about $250 each and the rest are easily 2X that about.....

so I swung by the motorcycle salvage yard in Fremont today and picked up these beauties (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)

45mm at the butterfly....they taper down to 42.5mm at the bottom...

includes a nice TPS and injectors...I doubt the injectors flow enough, but who knows, I'll find out once I get the specs....

no idea of what bike they came off of yet.....price was $125

top view:


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thesey914
post Apr 3 2006, 02:48 PM
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mike, surely those manifolds have what looks like the bosses for the 4 stud 1.7/1.8 heads. You just have to drill them.
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maf914
post Apr 19 2006, 02:03 PM
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QUOTE(thesey914 @ Apr 3 2006, 12:48 PM) *

mike, surely those manifolds have what looks like the bosses for the 4 stud 1.7/1.8 heads. You just have to drill them.



That's what I thought , too. Just like the CB Performance manifolds that Andy shows in his photo. Those work with both three and four bolt heads. (IMG:style_emoticons/default/idea.gif)
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Posts in this topic
Mueller   New project:Adapting motorcycle Throttle Bodies   Jan 21 2005, 01:53 PM
Mueller   and a view of the bottom of the assembly:   Jan 21 2005, 01:53 PM
rick 918-S   Dude! http://www.914...   Jan 21 2005, 01:55 PM
Mueller  
rick 918-S   <...   Jan 21 2005, 02:00 PM
Mueller   it's lunch time now, no need to hide my projec...   Jan 21 2005, 02:34 PM
Mueller   opps...here is a picture:   Jan 21 2005, 02:35 PM
DNHunt   Mike Are those grooves in the TBs for O-rings. M...   Jan 21 2005, 02:42 PM
Root_Werks   Using bike TB's like this is a great idea real...   Jan 21 2005, 02:54 PM
SLITS   I have a TB on my 2.0 that is definitely not stock...   Jan 21 2005, 03:03 PM
lapuwali  
Q...   Jan 21 2005, 03:40 PM
Mueller   ...   Jan 21 2005, 03:50 PM
Jake Raby   I have done this twice! It works... That size...   Jan 21 2005, 04:05 PM
Travis Neff   can't you also get TB's with slide valves ...   Jan 21 2005, 04:28 PM
bondo   Mueller: What are all of your projects? You seem t...   Jan 21 2005, 04:43 PM
rdauenhauer   So mike are you considering breaking up the bank a...   Jan 21 2005, 04:46 PM
Stephane   Those look good. What type of injection system are...   Jan 21 2005, 04:46 PM
rick 918-S   http://www.914world.com/bbs2/ht...   Jan 21 2005, 09:44 PM
Mueller   Just got back from the local cycle shop...found ou...   Jan 28 2005, 05:03 PM
rick 918-S   You should just use the whole Ninja motor! <...   Jan 28 2005, 06:32 PM
Qarl   I think the throttle bodies butterfiles connect to...   Feb 4 2005, 12:30 AM
Qarl   More good info here... http://forums.pelicanparts...   Feb 4 2005, 12:36 AM
Qarl   SO??? Who's gonna do it?   Feb 4 2005, 09:36 PM
Mueller   played with the TB's a little over the weekend...   May 24 2005, 03:36 PM
Mueller   adapter ideas: http://www.91...   May 24 2005, 03:39 PM
Mueller   adapter 2.... this one would have a counterbore f...   May 24 2005, 03:42 PM
Randal   Nice designs Mike. Those look much shorter th...   May 24 2005, 03:56 PM
Cloudbuster   Adapter one! Go with what the factory did. H...   May 24 2005, 03:58 PM
Aaron Cox   rubber: well they use rubber boots on turbo setup...   May 24 2005, 03:59 PM
Mueller  
Q...   May 24 2005, 04:02 PM
Mueller  
MecGen   Hey Mike The size of the injector hole/mounts, is ...   May 24 2005, 04:05 PM
Mueller  
  May 24 2005, 04:08 PM
Aaron Cox   these going on the turbo motor or the stroker?   May 24 2005, 04:15 PM
jhadler   Hey Mike, Those Wakisaki throttles look great...   May 24 2005, 04:25 PM
Mueller  
Randal     May 24 2005, 04:57 PM
andys   ...   May 24 2005, 04:58 PM
xitspd   Brilliant Mike... Keep us informed with your progr...   May 24 2005, 05:02 PM
Aaron Cox   throttle linkage cant be too hard. mike i had an...   May 24 2005, 05:06 PM
Mueller     May 24 2005, 05:31 PM
Paul Illick   Cool. I'm doing the same thing using Suzuki G...   May 24 2005, 07:33 PM
rick 918-S   I was wondering what happened to this project. Thi...   May 24 2005, 07:35 PM
andys   <...   May 25 2005, 10:41 AM
Mueller     May 25 2005, 01:43 PM
Randal   Mike - Can you make adapter 2 out of the same met...   May 25 2005, 02:58 PM
andys   ...   May 25 2005, 03:27 PM
Mueller   <...   May 26 2005, 12:02 AM
McMark   Mike, I'm probably going to be buying a TIG se...   May 26 2005, 01:01 AM
Mueller   <...   May 26 2005, 10:13 AM
Site   I'm eagerly following this. Is there anything...   Aug 9 2005, 12:55 PM
Site   Is anyone doing custom work with individual thrott...   Oct 31 2005, 03:59 PM
Mueller     Oct 31 2005, 06:27 PM
Terrance   Hehe, first time I saw this thread. Mike - Love...   Oct 31 2005, 06:59 PM
Aaron Cox   mike - you give up on this?   Oct 31 2005, 07:05 PM
Mueller   ...   Apr 2 2006, 12:55 AM
DNHunt   Very cool Mike. That sure looks like fun. Dave   Apr 2 2006, 06:38 AM
rick 918-S   Very cool Mike! http://w...   Apr 2 2006, 08:53 AM
Mueller     Apr 2 2006, 01:19 PM
Porcharu     Apr 2 2006, 02:21 PM
Mueller   <...   Apr 2 2006, 03:09 PM
jsteele22     Apr 2 2006, 04:24 PM
Mueller   ...   Apr 2 2006, 08:02 PM
JmuRiz   Sweet, was waiting on a update for this, looks goo...   Apr 3 2006, 08:10 AM
tdsmoonchild     Apr 3 2006, 08:18 AM
Aaron Cox   Mike, since the TB's are not rigid mounted, h...   Apr 3 2006, 08:33 AM
jonwatts   ...   Apr 3 2006, 08:57 AM
Porcharu     Apr 3 2006, 09:29 AM
Mueller   <...   Apr 3 2006, 12:17 PM
Mueller   ugly, but it'll work.....   Apr 3 2006, 12:18 PM
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