Boyesen Quick Start Kit
Boyesen Quick Start Kit

$174.99 $189.95
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Select your bike to see if this accelerator pump cover fits
Description See Also: 4 Reviews 10 Questions Fitment Part Numbers
Item #BOY000B

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4 Reviews
3.8 out of 5 stars
5 Star   2 4 Star   1 3 Star   0 2 Star   0 1 Star   1
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All Reviews
Verified Purchaser
Durability 5/5 Ease of Installation 4/5 Performance 5/5 Power 5/5 Style 5/5

Launches hard - love it! Cable not long enough to follow original cable routing, but all good.

Dont go without qs3

Awsome product, installed on my 05 crf250 to get rid of the low end bog. not only does it solve the bog issue it starts much easier, and the throttle response is amazing. I dont think it gave the bike any more power it just made what it already had much smoother and easier to accelerate out of corners. Dont try and tune your carb to get rid of the bog, GO BUY THE QS3. Every bike is different so your qs3 might need to be adjusted a little different than the instructions recomend but they will get you very close to perfect.

San Diego, Ca
Great product

This has turned out to be an excellent product! I installed the qs3 on a 2002 yz250f and it fit great. The cable was plenty long enough and came with clear instructions. The bike now has almost instant throttle response and no bog whatsoever. I installed it at the same time as an aftermarket jet kit, so getting the exact jetting and carb tuning took a little time, but this bike has never run so good.
The product gets 4 out of 5 stars because as good as The QuickStart Is, boyensen did not include a new pump diaphram or o-rings in the kit, so you are forced to track them down and order them seperately.

Denver, CO
Did not work

The Quick Start Kit does not work in a 2009 YZ450F. The cable is too short and it pulls the hot start ever so slightly from the bottom of the Quick Shot 3. The throttle response when released idles high and then idles down a few seconds later. When trying to jet for this product I am unable to eliminate the back fire. When replaced with just the Quick Shot 3 the bike runs perfect.

10 Questions
Answered:   9
Not Yet:   1
Location: Sydney NSW, Australia
Q: How does this system work?
Over 12 months ago
I own a rmz250 2008 model in Australia. My bike is a pain to kick start when its hot. My bike already has a hot starter lever but does minimal to assist in kickstarting. Id like to know how this system works and whether it makes hot starts easier.
Q: Hot Start Procedure?
1 year 10 months ago
What is the "problem hot start procedure" mentioned? My 07 KX450F is very hard to start if I drop it whilst it is hot. Should this product make it easier to start in this situation?
MotoSport Staff Expert
1 year 10 months ago
A: The Boyesen Quick Start Kit solves tricky 4-stroke hot engine starting problems. Provides an adjustable leak jet circuit for quick hand tuning.Eliminate boggong and hesitation from trapped air in the system.
Location: Orange County, CA, USA
Q: This was already installed on the CRF450R I bought used but how do I replace the cable? Do I have to buy the entire Quick Start unit again?
2 years 8 months ago
The OEM hot-start cable is too short.
Expert MotoSport Staff
2 years 7 months ago
A: A replacement hot start cable for the Boyesen QuickStart can be purchased separately. The replacement hot start cable to fit a Honda bike, is part # APC-QC1.
If the part is available through one of our suppliers, we would be happy to order it for you. Please contact one of our sales professionals to inquire about special orders and availability.
Dirt Bike / ATV: 1-888-676-8853
Q: Can I run the Boyeson QuickStart with R&D powerbowl 2 on my 2005 Crf 450?
Over 3 years ago
Top 1 Contributor
Over 3 years ago
A: No. The R&D power bowl uses special internal features that will not be compatible with the Boyesen quick start and shot products.
Location: Pennsylvania, USA
Q: Will this work on my quad?
Over 3 years ago
I have a 07 outlaw Ktm 525 motor it has a fcr carb witch has started hard when warm from new it does not have a factory hot start set up will this set up work on my machine
Top 1 Contributor
Over 3 years ago
A: No. You must have a factory hotstart system on the carb for this product to work.
Location: nj
Q: What to do with top cable and inlet?
Over 3 years ago
crf250r honda 2007 installing boysen quick shot
MotoSport Staff Expert
Over 3 years ago Location: Portland, OR, USA
A: Installation of this kit would required removal of the hot-start cable on your bike as the cable for this would replace the hot-start cable. Additionally, there is a plug that has to be installed to block off the stock hot start’s air leak.
Q: Will i still need the cable and lever assembly?
Over 4 years ago
MotoSport Staff
Over 4 years ago Location: Portland, OR, USA
A: Yes, you still use the hot start lever and this comes with a new cable.
Q: Will this fit on my CRF 250 stock carb.?
Over 8 years ago
will this fit on my CRF 250 stock carb.
MotoSport Staff
Over 8 years ago Location: P+RTLAND
A: Yes this will fit your stock carb.
Location: Detroit
Q: How much low end difference does it make and does it also replace the hot start?
Over 8 years ago
MotoSport Staff
Over 8 years ago Location: P+RTLAND
A: Boysen hasn't release the exact gains to the bottom end. It will definitely take the low end bog out and give you a snappier throttle response. It replaces the stock hot start assembly at the carb.
Q: Is the quick start capadable with the quick shot 2?
Over 8 years ago
MotoSport Staff
Over 8 years ago Location: P+RTLAND
A: Yes, they can be ran together.
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# Part Numbers
Product Variant Manufacturer Part #
Boyesen Quick Start Kit APC-3QS
Boyesen Quick Start Kit APC-3QSK
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