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Honda's 105HP Jet Drive is the best choice for navigating larger fishing boats and bay boats in shallow waters. VTEC racing technology combined with our exclusive dual stage induction, produces a longer, flatter torque curve for max power at every speed. Add Lean Burn Technology, and what you have is more power with less fuel.
The 105HP is based on the same engine that powers Honda's Accord, CR-V and Element automobiles. So you know you can expect long term durability and clean, quiet operation.

World Famous Quality
By sharing many components with the Honda Accord, CRV and Element automobiles, the BF105 gains years of proven Honda engineering and reliability.

Dual Overhead CAM (DOHC)
A powerful, compact 24-valve DOHC design creates more valve lift to pull in more air for increased horsepower. Low-maintenance design allows easy adjustment of the rocker arms. No multiple shims or trial-and-error adjusting needed.

Variable Valve Timing & Lift Electronic Control system achieves the best of both worlds, by utilizing mild cam lobes to operate the intake valves at low RPM-then, at 4500 RPM, engaging a "high output" cam lobe for high RPM operation.

VTEC offers a superior blend of power, torque and fuel efficiency.

Lean Burn Feedback Control
Utilizes a Linear Air-Fuel Sensor, along with the Engine Command Module, to automatically adjust the air-fuel mix according to speed and load - maximizing power throughout the RPM range and providing twenty percent greater fuel economy in the cruise mode from 2000 to 4500 RPM.

3 Way Cooling System
Three separate cooling systems keep the cylinder head cooler for more long-term durability.

51 AMP Alternator
Honda's proven "on demand," belt-driven alternator reduces heat buildup and provides superior battery charging capability-30 Amps at 1000 RPM and 40+ Amps above 2000 RPM.

Engine Command
The ECM receives constant input from 18 different sensors to deliver instant starts, smooth operation, strong performance and excellent fuel efficiency.

Multi-port Programmed Fuel Injection (PGM-FI)
Delivers the precise amount of fuel/air to each cylinder. The result is quick starts, instant throttle response and low fuel consumption.
Dual Stage Induction
A variable air intake manifold delivers top performance at every speed. At low speeds, air passes through a loing intake runner, increasing low-end torque. Above 3500 RPM, shutter valves open to shorten the air's path, boosting air flow for more high-end torque.

The result is a simple, compact design that improves overall operation.

LAF & Knock Sensors
LAF & Knock Sensors

Improves overall engine operation and efficiency plus prevents engine damage.

Engine Alert
The ECM monitors vital engine functions and prevents engine damage by alerting the operator of:
Water in Fuel
Low Oil PSI
Critical Engine Function
Single Latch Cowl
4 securing points to ensure a water-tight seal, along with a convenient front-mounted single latch.

Positive Lubrication
A crankshaft-driven, automotive-style trochoid oil pump ensures critical engine component long-term durability.

Sealed Starter
The starter motor is inverted into a sealed chamber that protects the starter bendix drive from the elements.

Non-Linear Mounting System
Patented non-linear rubber mounts provide smoother operation at all engine speeds.

Corrosion Protection System
A patented, "Double Sealed" multi-layered paint process. Sacrificial anodes and stainless steel technology, along with waterproof connectors, all enhance corrosion protection.

Fresh Water Flushport
Flushes debris and saltwater out of the engine, extending the life of the outboard.

Stainless Steel (Steering Arm, Tilt Tube and all Shafts)
Durability with long-term corrosion resistance!

Counter Rotation
Improves efficiency, hull maneuverability and decreases driver fatigue.

Ultra Low 3 Star Carb Emissions
Cleanest technology available.



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 40 Amps (504 Watts)
Manufacturer: HONDA Cooling: Water Cooled
Make: 4-stroke Inline Ignition: Microcomputer Programmed
Year: Starting: Electric
Engine Type: 105 HP JET DRIVE Exhaust:
Horsepower: 105 Trim: -4 to +16
Displacement: 144/2354(in/cc) Fuel Induction: Programmed Fuel Injection
Bore/Stroke: 3.43x3.9/87x99(in/mm) Lubrication: Wet Sump
Cylinders: 4 (in-line) Steering
RPM: 5000-6000    
Weight: (lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: US: dollars
Shaft lenght: 25/635(in/mm) UK: pounds
Gears: Netherlands: euros
    France: euros
    Australia: dollars

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