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HMF Gen 3/3.5 Optimizer
HMF Gen 3/3.5 Optimizer

$249.99 - $339.95

Select your ATV to see if this fuel control unit fits
Item #HMF000Q

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7 Reviews
4.7 out of 5 stars
5 Star   6 4 Star   0 3 Star   1 2 Star   0 1 Star   0
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All Reviews
Verified Purchaser
Durability 5/5 Ease of Installation 5/5 Performance 3/5 Power 3/5 Style 5/5
Easy to install, jury is still out on fuel perform

Easy to install on my 2008 kawasaki brute force 750i. I paired this with a slip on HMF exhaust system. I cannot tell if this is improving the performance or fuel optimization. It actually almost appears it's using more fuel than previous.

Verified Purchaser
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
HMF optimizer

Easy plug and play install. The unit comes pre programed for your machine

Bridgeton, NJ 08302, USA
Durability 5/5 Ease of Installation 4/5 Performance 5/5 Power 5/5 Style 5/5
Good product

This product has never failed me and eliminates bogging our lower in the rpms

Verified Purchaser
Durability 4/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Good product

Super easy to install. Adds thats little extra fuel to keep
Engine from running too lean with aftermarket exhaust.

Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5

Verified Purchaser
Southern California
Durability 4/5 Ease of Installation 4/5 Performance 5/5 Power 5/5 Style 5/5
A must on your bike!

Installed this optimizer after installing my HMF pipe on my 2014 Yamaha YFZ450R. These are the only mods on my bike and I have to say, this optimizer is a must with the pipe. Absolutely no more bog , it sounds like champ, and the thing runs like a beast. I was hitting close to 70mph on the sand and the power band is ridiculous in all gears. Highly recommend!!

Verified Purchaser
Martinez, Ca
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5

This was easy to install and use. I will be tweaking the EFI programer a lot.

4 Questions
Answered:   4
Not Yet:   0
Q: What adjustments will I have to make when I install it on my 08 bruteforce750 with hmf penland pro pipe?
Over 4 years ago
Expert MotoSport Staff
Over 4 years ago
A: Depending on the modifications that have been done to your machine and the riding conditions different settings may be required but you can find HMF recommendations here:
Q: Do i have to have an hmf pipe on my 14 yfz 450 to use this, or will any pipe work?
Over 4 years ago
i have a yoshimira pipe as of now.
Top 10
Over 4 years ago
A: The HMF is optimized for their exhaust. But with the adjustments it can be used with any exhaust.
Q: Does this programmer have a spot for the O2 sensor for the new 2014 honda rancher 420
Over 4 years ago
Top 10
Over 4 years ago
A: HMF Dobeck EFI Tuning Box does not hook into the stock o2 sensor in the bike. It is a plug and play product that changes the output signal from the CDI to the injectors of the machine to make changes.
Q: Do I have to have this for my new hmf utility pipe. its for a 2012 honda rancher 84200
Over 4 years ago
Over 4 years ago
A: yes, any newer atv/dirtbike will require some sort of air/fuel management system with efi. if you dont add any performance upgrades you will not need this, with a hmf pipe your going to need to adjust the air fuel ratio to see performance gains and maintain throttle response.

See all bikes that this part fits...

See Fitments
# Part Numbers
Product Variant Manufacturer Part #
HMF Gen 3/3.5 Optimizer N/A
HMF Gen 3/3.5 Optimizer 614402360005
HMF Gen 3/3.5 Optimizer 614412360001
HMF Gen 3/3.5 Optimizer 616602360001
HMF Gen 3/3.5 Optimizer 619662360001
HMF Gen 3/3.5 Optimizer 619692360001
HMF Gen 3/3.5 Optimizer 626482360001
HMF Gen 3/3.5 Optimizer 626522360001
HMF Gen 3/3.5 Optimizer 634282360001
HMF Gen 3/3.5 Optimizer 634362360001
HMF Gen 3/3.5 Optimizer 634462360001
HMF Gen 3/3.5 Optimizer 634532360001
HMF Gen 3/3.5 Optimizer 635452360001
HMF Gen 3/3.5 Optimizer 636502360001
HMF Gen 3/3.5 Optimizer 641292360009
HMF Gen 3/3.5 Optimizer 61124236001
HMF Gen 3/3.5 Optimizer 61421236001
HMF Gen 3/3.5 Optimizer 614232360001
HMF Gen 3/3.5 Optimizer 614282360001
HMF Gen 3/3.5 Optimizer 619322360001
HMF Gen 3/3.5 Optimizer 619352360001
HMF Gen 3/3.5 Optimizer 619402360001
HMF Gen 3/3.5 Optimizer 626462360001
HMF Gen 3/3.5 Optimizer 636242360001
HMF Gen 3/3.5 Optimizer 641412360001
HMF Gen 3/3.5 Optimizer 641292360001
HMF Gen 3/3.5 Optimizer 641362360001
HMF Gen 3/3.5 Optimizer 641262360001
California Proposition 65

WARNING: This product contains chemicals, including (Acrylonitrile), known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to

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