Mercury Boost is one of the more interesting things to come out of the software-defined boat motor era: a factory upgrade, delivered as a calibration change, that unlocks additional torque from motors that are already installed on your boat. No hardware. No trip to a machine s...
- Is Mercury Boost worth it for a pontoon boat?
- Mercury Boost is worth it for pontoon owners who regularly run with heavy loads — four or more adults, gear, and accessories. The upgrade improves low-end and mid-range torque delivery, which shortens the hole shot and makes the planing transition more confident on high-drag hull forms like pontoons. For lightly-loaded pontoon use (two to three people, minimal gear), the benefit is less pronounced and the cost-benefit ratio weakens. Check your propeller setup first: an over-propped motor causes the same symptoms Boost addresses, and a prop change — which averages about $819 at HBW based on our repair order history — is sometimes the better and cheaper fix.
- What does Mercury Boost actually do to the motor?
- Mercury Boost is a factory-calibration software update applied to eligible Mercury FourStroke and Verado engines by a certified dealer. It modifies the engine management system's fueling and timing maps to increase torque output in the low-to-mid RPM range. The physical hardware of the motor is unchanged — no parts are replaced or modified. The result is improved throttle response at partial throttle settings and a more assertive hole shot. Wide-open throttle (WOT) performance and top-end speed are not materially changed by the Boost calibration.
- Does Mercury Boost affect fuel economy?
- At equivalent speeds and RPM, Mercury Boost has minimal impact on fuel consumption. The upgrade changes how torque is delivered, not how efficiently the motor converts fuel to power at a given operating point. If Boost's improved throttle response leads the operator to run the boat harder or at higher speeds, fuel use will increase — but that's a behavioural change, not a direct effect of the calibration. Operators who maintain the same cruising habits before and after Boost typically report no meaningful change in fuel economy.
- Does Mercury Boost void the motor warranty?
- No. Mercury Boost is a factory-authorized software upgrade installed by a certified Mercury dealer. It does not void the motor's warranty. Mercury supports Boost as an approved modification to eligible engines, and the upgrade is documented in the motor's service record. If you have questions about warranty implications for your specific motor, confirm with your dealer before proceeding — but for the vast majority of eligible motors, Boost is warranty-neutral.
- How much does Mercury Boost cost in Canada?
- Mercury Boost pricing in Canada is set by certified dealers and typically ranges from a few hundred to approximately $1,000 CAD as of 2026, depending on motor model year and dealer. For context, a 2026 Mercury 150 motor is priced at $27,265–$27,395 MSRP at Harris Boat Works — the Boost calibration is a small fraction of that investment. Confirm current pricing directly with us at 905-342-2153 or visit mercuryrepower.ca/contact. Have your motor's model year and serial number ready.
- What is the difference between Mercury Boost and re-propping?
- Mercury Boost is a software calibration that increases mid-range torque from the motor itself. Re-propping is changing the propeller to better match the motor's power output to the hull's load. Both can improve hole shot on a loaded pontoon, but they address different parts of the system. A motor that's over-propped (too high a pitch for the load) will benefit most from a prop change. A motor that's correctly propped but still sluggish on a heavy load benefits most from Boost. The right sequence: confirm the propeller is correctly matched to your load first, then consider Boost if the problem persists. A prop replacement at HBW averages about $819 based on our service history.
- Which Mercury motors are eligible for the Boost upgrade?
- Mercury Boost eligibility is specific to certain FourStroke and Verado model years and requires digital throttle-and-shift (DTS) capability or VesselView integration. Not all Mercury FourStrokes are eligible — eligibility is based on the engine's ECM architecture and the availability of the Boost calibration for that specific model and year. Check the [Mercury Boost eligibility guide](https://mercuryrepower.ca/blog/mercury-boost-software-upgrade-eligibility-2026) for a current list, or confirm your motor's eligibility with a certified Mercury dealer before purchasing.
- Will Mercury Boost make my pontoon go faster?
- Not at top speed. Mercury Boost improves low-end and mid-range torque, which translates to a faster hole shot (getting on plane sooner) and better mid-throttle response. Once the pontoon is on plane and approaching wide-open throttle, Boost has minimal effect on the maximum speed the motor and hull combination will achieve. If faster top-end speed is your goal, the variables that matter are propeller pitch, motor horsepower, and hull form — not a calibration upgrade. For that use case, a 2026 Mercury 200 L Pro XS ($31,955 MSRP) or 250 L Pro XS ($41,525 MSRP) is the more direct path.
- Is Mercury Boost a one-time upgrade or a subscription?
- Mercury Boost is a one-time upgrade, not a subscription service. Once the calibration is applied to your motor's ECM by a certified dealer, it remains in effect. There are no recurring fees. The upgrade is tied to the motor — if you sell the boat with the motor, the Boost calibration transfers with it. Confirm the one-time nature of the pricing with your specific dealer, as program structures can occasionally change.
- Should I get Boost before or after a prop change?
- After. Confirm your propeller is correctly sized and pitched for your load before adding Boost. An over-propped motor — one that can't reach its optimal RPM range under full load — causes poor hole shot and laboured planing. A prop change costs less than Boost in many cases and may solve the problem entirely. If you change to the correct propeller and hole shot is still unsatisfactory, adding Boost is the logical next step. Doing both together without knowing the contribution of each makes it harder to evaluate what's actually working.
- Is Mercury Boost available in Ontario?
- Yes. Mercury Boost is available through certified Mercury dealers in Ontario. Harris Boat Works in Gores Landing, Ontario — on Rice Lake — is a Mercury Platinum dealer that performs Boost installations. We sold approximately 65 new Mercury motors in 2025 and have been servicing Mercury engines since 1947. Call 905-342-2153 to confirm current pricing and availability for your motor. Note that eligibility depends on your specific motor model and year; have your motor's serial number ready when you call.