2006 Yamaha HPDI 150HP was a two-stroke, fuel-injected outboard motor known for its powerful performance, particularly within the V MAX HPDI series. This engine featured High Pressure Direct Injection (HPDI) technology, which used an oxygen sensor to optimize fuel ratios and timing for efficiency. Key aspects included a V6 configuration (in some models), a weight of around 468 lbs for a 20-inch shaft model, and compatibility with standard Yamalube oil. Owners often report issues like hard starting and stalling, which can be addressed by checking for fuel contamination, ensuring proper fuel system operation, and performing regular maintenance.
Key Characteristics
Engine Type:Two-stroke, fuel-injected
Model:Often part of the V MAX HPDI series, such as the Z150P
Technology:High Pressure Direct Injection (HPDI) with an oxygen sensor for optimal air/fuel mixture control
Configuration:V6
Weight:Approximately 468 lbs for a 20-inch shaft model
Oil:Compatible with standard Yamalube oil
Common Issues & Maintenance
Hard Starting & Stalling:Often related to fuel system issues (contamination, water in lines, filter clogs) or carburetor icing, which requires checking fuel filters and lines.
Fuel System Components:Proper function of the fuel pump and primer bulb is crucial.
Warm-Up Problems:May indicate issues with the choke or idle circuit.
Regular Maintenance:Performing regular tune-ups, including spark plug changes once per season, helps keep the engine running smoothly.
Fuel Quality:Using fresh, clean fuel and fuel stabilizers can prevent many common starting and stalling problems
5 reviews for 2006 Yamaha HPDI 150HP
Rated 5 out of 5
Talon Vey –
Got my 2006 Yamaha HPDI 150HP delivered in record time—this thing rips! Instant throttle response, smooth as silk, and plenty of punch for long runs. Absolute game-changer!
Rated 5 out of 5
Knox –
Delivery was lightning fast, and once I fired her up—wow! The HPDI 150HP pulls hard, sips fuel, and sounds like pure power. Best engine I’ve ever owned.
Rated 5 out of 5
Draven Cole –
Unboxed, mounted, and in the water in just days thanks to their fast service. This Yamaha hits top speed effortlessly—feels like it wants to keep going forever!
Rated 5 out of 5
M Solace –
Service was top-notch, and I had my 150HP in no time. Out on the water, it’s smooth, efficient, and has enough grunt to make every ride exciting.
Rated 5 out of 5
Bristol –
Super quick turnaround from order to first run. The HPDI 150HP is pure adrenaline—great acceleration, great handling, and great service to back it up.
Talon Vey –
Got my 2006 Yamaha HPDI 150HP delivered in record time—this thing rips! Instant throttle response, smooth as silk, and plenty of punch for long runs. Absolute game-changer!
Knox –
Delivery was lightning fast, and once I fired her up—wow! The HPDI 150HP pulls hard, sips fuel, and sounds like pure power. Best engine I’ve ever owned.
Draven Cole –
Unboxed, mounted, and in the water in just days thanks to their fast service. This Yamaha hits top speed effortlessly—feels like it wants to keep going forever!
M Solace –
Service was top-notch, and I had my 150HP in no time. Out on the water, it’s smooth, efficient, and has enough grunt to make every ride exciting.
Bristol –
Super quick turnaround from order to first run. The HPDI 150HP is pure adrenaline—great acceleration, great handling, and great service to back it up.