The boysen quickshot accelerator pump cover is the best product I have ever used to solve idle , lag , hesitation & bogging problems The I've had on multiple bikes , I have installed this part on my 2005 YZ450f, & my 2016 CRF450x.
Boyesen Quickshot Accelerator Pump Cover
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A must buy for any four stroke. I put it on my 2007 CRF450R and it was very easy to put on with the very detailed instructions.
If you have stalling problems with your CRF450R when you gap the throttle quickly, this will solve your problems. instant power to the ground
Should come stock on all bikes! The Boyesen QuickShot works flawlessly on my on both of my 08 yz250f and 08 yz450f.
wowowow. buy it.
This product is the best buy for the money better throttle response and less bog great product
this product was the simple most best hop up product i have ever bought that was worth its price it did not feel any different untell i had got on the track and hit my first corner then it was clear my bog was gone!
this little thing makes so much improvement it is unbelieveable. i can definitly notice big boost in throttle responce
the quickshot accelorator cover really increased the snap on my bike it also gained a few ponies in the bottom end :) if you dont think your bike has the snap or response BUY THIS PRODUCT!
this is the BEST 90 dollars i have ever spent it made a huge difference in throttle response everywhere! if you dont already have a quikshot you need to have one
This little deal e made my R M really move right off the bottom. Before in tight corners it would go blaaw and the clutch was needed. I put that bad boy on and i dont have to use the clutch so much. Its great my bike will just take off even when i whack the throttle. Best thing i could have done to my bike and i only spent like $90 cant go wrong there now can ya.
I had hesitation at low RPMs this fixed the problem
This was one of the easiest performance upgrades to install and it works great, deffinately recomend buying.
this is a product you cant go with out, best four stroke performance part, i really noticed a big difference when you open throttle really quick
great product. It definately gets rid of the bogging of some 4-strokes. My crf250r had some problems with that but now i can accelerate real hard and come out of turns super fast.
I am really impressed with this product. It was a little difficult and time consuming to put on. I put this on my 06 CRF 250r (which has a bad bog). The Boyesen quickshot helped a lot but didn't completely fix the bog.
In all this is worth your money and time.
I had one of these before my 450 was even ready for me to pick up! It completely eliminated the hesitation in it and gave the power band a little more beef in the low rpm range! this product will definately make u a faster rider exiting corners! not to mention a SIMPLE installation anyone could do it!
this is the best thing i have bought for my bike so far. it makes my crf 250r way snappier and seems like it pulls harder in the mid range. this is honestly the best thing you can do for your bike for the money
THIS WAS MY FIRST MOD ON MY NEW 2007 KX450F AND I'LL JUST SAY THAT IT INCREASED MY DIRT BIKES THROTTLE RESPONSE AND IT REDUCED THE BOG IN IT !......... BUT ONLY EVERY NOW AND THEN THERE WILL BE A SLIGHT BOG....... WHEN YOU SNAP THE THROTTLE OPEN REALLY FAST!.......... BUT OTHER THAN THAT IT INCREASED THE BOTTOM END POWER AND IT MAKES THE DIRT BIKE GET OUT OF CORNERS ALOT QUICKER AND SNAPPIER!!!!