 New project:Adapting motorcycle Throttle Bodies, this should be "interesting" :) |
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| Mueller |
 Jan 21 2005, 01:53 PM
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#1
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914 Freak!  Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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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: Attached image(s) 
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Replies(120 - 121)
| r_towle |
Jan 16 2007, 03:38 PM
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#121
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Custom Member Group: Members Posts: 24,585 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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The problem I had with those are they are inline.
If you try to get it all to fit inside the engine bay, using the stock accel cable to drive the system, you end up having to turn the cables coming out of the gyro, or really any of the inline ones, so much that the friction kills you. I tried terry cables, special cables from Campagnolia....it was just to much of a turn to have it work... Eventually I built a thing (Which I am more than happy to ship out Mike...its just collecting dust, and may be a good starting point from a thinking perspective...) that takes in the cable from the accel cable, and using a pulley mounted horizontally produces two cables that are now 90 degrees from the accel cable. The three I built worked, but I dont have a machine shop, so my tolerences were not close enough to rid myself of the friction... It was really close, got a few bearings, etc etc... Then my some took my test mule away. Attached image(s) 
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| E-Man |
Nov 27 2007, 09:56 AM
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#122
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Member Group: Members Posts: 158 Joined: 4-March 03 From: S. Windsor, CT Member No.: 390 |
Hi Mike!
Any progress on this front? I'm looking to go down this path with a 2056 that currently has 44IDFs and full Mallory ignition (Unilite/Hyfire 6AL/Promaster). So far all I've collected is the manifolds. Not sure what TBs to get yet (GSXR 1000s?) or what controller (SDS probably; fuel only). -Mike |
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