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Factory Pro's Shift stuff! Help prevent shifting problems, missed shifts and dog and fork damage caused by missed shifts. |
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crf250r 04-09 crf250x 04-16 (no 14) (replaces 24312-KA3-741 star) |
Ok I got it installed! Let me first off say that I do not work for the people
that make the shift star or anything.
F-Pro EVO Shift
The Factory Pro Shift Arm and Spring will upgrade your bike to "better than new" quicker, more consistent shift action. Proven in 15+ years of pro level use. Virtually eliminate missed shifts. Decreases shift process 5ms to 10ms. Make shifting MUCH quicker and virtually eliminate missed shifts. Helps address missed shifts caused by poor shift detent "star" profile. Helps prevent shift fork and gear engagement dog damage caused by missed shifts. The F-Pro Microbearing Detent Arm and F-Pro Spring are an awesome upgrade for the notchy, imprecise Honda shifting. The Star makes it even more refined. Installation: Slightly more complicated than replacing the clutch basket. It's right behind the clutch basket. No case splitting required. Just R&R the clutch basket. Requires 1/2 impact wrench for the clutch nut. Feedback Shift Star kit worked awesome! Not one missed shift all weekend. Easier to find neutral, too - Which is good because I have to put it in neutral to start it for some reason. Doesn't like to start with the clutch in. With the close ratio tranny, I did a lot of shifting. Leigh Thomas - Mojave area |
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 F-Pro Comp Shift Spring (replaces spring 24435-KZ4-690) crf250r 04-08 and some 09 crf250x 04-16 (no 14) (use with the arm and optional star) z95-H45-0501 only $39.95 |
 F-Pro Comp Shift Spring Slightly stronger detent arm spring for more secure and even quicker shifts Addresses that popping out of gear in the air issue - It's caused by the shift mechanism only rotating the shift drum halfway - the STAR, Arm and Spring help fix that problem. |
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| Carb Recalibration Kit | ||
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crf250x 04-05 |
The Factory Pro's secret. The HDJ style jetting kit The CRF250x carb recal kit was designed with as much care and attention to detail as we give to our EC997 dynamometer and test routines, our Shift STAR shift improvement kits, our Billet Engine Covers and all of the other products that the quickest road racers in the USA and World used to collect a total of 9 WERA and F-USA national Championships - along with the Suzuki Cup World Champion, Rob Jensen. We've now entered the off-road arena to bring some new, exciting, well proven concepts, such as our easily tuneable "HDJ" style jet kits and several other things that we've picked up along the way. One of the improvements was dyne systems design and test routine design - We have been saying for years that inertia dynos were misleading and now, these new "HDJ" carb kits show how much better the EC997 load dynos are than inertia dynos when it comes to developing any performance products. Sounds a bit egotistical? Perhaps it sounds that way - but, I think that we've got quite a few local Norcal racers that we've done fine tuning work for that would agree with us.We are just passionate about fine tuning. The Factory Pro HDJ kits, designed by Marc Salvisberg, will run more evenly over a wider temperature and altitude range than any other carb kit and will produce 3% to 8% better power than another carb with the "best main jet" in it, when properly tuned and tested under a real load. This does not mean an inertia dyno - though, power will be better with a dealership level dyno, also. Thanks! 800 869-0497 |
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crf250r 04-09 |
The Factory Pro's secret. The HDJ style jetting kit The CRF250r carb recal kit was designed with as much care and attention to detail as we give to our EC997 dynamometer and test routines, our Shift STAR shift improvement kits, our Billet Engine Covers and all of the other products that the quickest road racers in the USA and World used to collect a total of 9 WERA and F-USA national Championships - along with the Suzuki Cup World Champion, Rob Jensen. We've now entered the off-road arena to bring some new, exciting, well proven concepts, such as our easily tuneable "HDJ" style jet kits and several other things that we've picked up along the way. One of the improvements was dyne systems design and test routine design - We have been saying for years that inertia dynos were misleading and now, these new "HDJ" carb kits show how much better the EC997 load dynos are than inertia dynos when it comes to developing any performance products. Sounds a bit egotistical? Perhaps it sounds that way - but, I think that we've got quite a few local Norcal racers that we've done fine tuning work for that would agree with us.We are just passionate about fine tuning. The Factory Pro HDJ kits, designed by Marc Salvisberg, will run more evenly over a wider temperature and altitude range than any other carb kit and will produce 3% to 8% better power than another carb with the "best main jet" in it, when properly tuned and tested under a real load. This does not mean an inertia dyno - though, power will be better with a dealership level dyno, also. Thanks! 800 869-0497 |
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