Outboard Boat Tunes & ECU Tuning in Utah – Authorized Outboard EFI Dealer

Outboard Boat Tunes & ECU Tuning in Utah – Authorized Outboard EFI Dealer

Looking for outboard boat tuning near you? We’re excited to announce that we are now an authorized dealer for Outboard EFI, offering professional, in-house ECU tuning services for outboard boat engines right here in Utah.

Whether you're trying to unlock more horsepower, improve fuel economy, or remove factory RPM and speed limiters, our marine engine tuning solutions deliver reliable, performance-driven results—powered by Outboard EFI’s proven tuning technology.

Why Choose Outboard EFI Tuning?

Outboard EFI is a leader in performance ECU tuning for outboard motors, with tunes available for a wide range of engine brands, including:

  • Yamaha outboard tuning

  • Suzuki outboard tuning

  • Evinrude outboard tuning

  • Honda outboard tuning

Benefits of ECU Tuning for Outboard Motors:

  • Unlock higher RPM and remove speed limiters

  • Gain horsepower and better throttle response

  • Improve fuel efficiency and engine performance

  • Remove emissions-based restrictions for racing or off-road applications

Who Benefits from Outboard Tuning?

Our services are ideal for:

  • Recreational boats

  • Fishing boats

  • Performance or racing boats

  • Commercial marine operations

Get Tuned – In-House, Local Service

Skip the hassle of shipping your ECU across the country. We offer local, in-house ECU tuning in Utah, including diagnostics, flashing, and custom tuning services to match your exact needs.

Contact Us Today

Supported Engines:

Suzuki Outboard DF-A Models

DFA and DFB models will flash through OEFI flash cable. Any OEFI dealer will be able to flash on site.

DF9.9B 15hp gain
DF15A 10hp gain
DF20A  5hp gain
DF25A 10hp gain
DF30A 5hp gain
DF40A 35hp gain
DF50A 25hp gain
DF60A 15hp gain
DF70A 30hp gain
DF75A 25hp gain
DF90A 10hp gain
DF115A/B 25hp gain
DF140A/B 10hp gain
DF150A 25hp gain
DF175A 25hp gain
DF200A 25hp gain
DF225A 25hp gain
DF250A 25hp gain
DF250SS Digital 75hp gain
DF250AP 75hp gain
DF300AP 25hp gain
DF350A 35hp gain

Suzuki Outboard DF and DFSS Models

These ECUs must be sent to headquarters to get flashed

DF40 15hp gain
DF60 15hp gain
DF90 20hp gain
DF115 25hp gain
DF140 10hp gain
DF150 25hp gain
DF175 25hp gain
DF200 25hp gain
DF225 50hp gain
DF250/SS 25hp gain

Yamaha Outboard

Most Yamaha engines can be flashed through OEFI flash cable. The early F150 63p-10 must be sent to headquarters

F20 18up 5hp gain
F25 18up 5hp gain
F50 05up 1.0L 25hp gain must remove restrictor
F60 05up 1.0L 15hp gain
F70 10up 1.0L 10-15hp gain
F75A 05up 1.6L 10hp gain
F75B 1.8L 120hp
F90A 1.6L 05up 10hp gain
F90B 1.8L 17up 120hp
VF90SHO 1.8L 120hp
F115B 17up 1.8L 20hp gain
VF115SHO 1.8L 20hp gain
F150 04-05 2.7L 15hp gain
F150B 2.7L 06up 25hp gain
F150C 2.8L 75HP gain
VF150SHO 2.8L 13up 225hp
VF175SHO 2.8L 13up 225hp
F200 2.8L 225hp
F200 3.3L 25hp gain
F225 3.3L 25hp gain
F250 3.3L 25hp gain
ALL 4.2L F and VF models will make 325hp
F300 5.3L V8 125hp gain
F350 5.3L V8 75hp gain
XTO425 - coming soon

Tohatsu Outboard

MFS9.9-60 Requires V3 OEFI flash cable and will not flash through OEFI Master Cable
MFS9.9 +15hp 
MFS15 +10hp 
MFS20 +5hp 
MFS25 +10-12hp coming soon
MFS30 +5-7hp coming soon
MFS40 +20hp est coming soon
MFS50 +10hp est coming soon
MFS60  +10-15hp est coming soon
MFS75 70hp gain
MFS90 55hp gain
MFS115 30hp gain
MFS140 10hp gain
Larger models coming soon - Estimated ETA late spring.

Honda Outboard

Coming soon - Very Close Estimated ETA late spring 2025

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