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Features - Fits 2-stroke motocross, and off-road racing applications - Radial flat slide throttle valve provides 40% greater boost signal from air flow - Increased ar flow provides better throttle response & increased sensitivity to tuning - 38mm bore size recommended for 250cc racing engine
(based on 1 review)
Reviewed by 1 customer
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Tight clearance and fitment issues.
Comments about Mikuni TMX 38-27-K Series Carburetors:
The included cable adjuster on this carb was incompatible with my OEM throttle cable end and prevented my cable from being attached to this carb. For the record, my throttle cable ends in a metal coupler that has internal threads, or in other words (it needs to screw into something in order to attatch itself to the carburetor) This scenario would've been ok if Mikuni had included different cable adjusters (in the included bag of extra clamps and jets) to work with the different throttle cable designs that are used on different machines. However, this was an oversight and the cable adjuster you may need to fit your throttle cable end simply does not exist and cannot be purchased, forcing you to modify (or grind down) your existing cable adjuster to somehow fit into the top of this carb, or you can opt to create your own throttle cable with generic throttle fitting on the end. Because of this, this is truly not a "Universal Carburetor". Also, it is advertised as being compact but is much larger and especially taller than the OEM 38mm Mikuni it replaces causing clearance issues. I cannot level the carburetor assembly because the top of the carb now hits the metal frame (spine) of the bike underneath the gas tank. Overall a good carb if you have lots of free space in your engine bay to work with and have a normal, generic type throttle cable end. Otherwise you're in for some fun trying to get things to fit the way you expected them to, right out of the box. Also, the plastic throttle valve slide somehow became scratched with visible, vertical score lines before I even had a chance to install it (just by opening the throttle valve a couple times prior to installation) They should've used a harder material such as metal on the throttle valve.
Bottom Line No, I would not recommend this to a friend
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