Yamaha High Thrust · Virginia Beach
Yamaha T9.9 High Thrust outboard: specs, rigging and repower in Virginia Beach.
The T9.9 High Thrust is a 212 cc two-cylinder that Yamaha's page calls a "kicker for flats and multi-species boats," with a 2.92:1 gear ratio and the Dual Thrust propeller standard. It comes in 20- and 25-inch shafts at 102 and 114 lb, as a tiller or a remote-control engine, with an optional V MAX SHO-style sport cowling.
- Horsepower
- 9.9 hp
- Engine type
- 2 cyl
- Displacement
- 212cc
- Shaft length
- 20" - 25"
- Weight †
- 46kg (102 lbs) - 51kg (114 lbs)
Specifications
Yamaha T9.9 High Thrust
specs, as Yamaha lists them.
Specs and features: Yamaha, read from yamahaoutboards.com and Yamaha's Engine Comparison tool on 2026-10-05. Yamaha can change a model by model year; we confirm the exact engine when we quote.
| Weight † | 46kg (102 lbs) - 51kg (114 lbs) |
|---|---|
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Fuel Induction System | Carb |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Engine Type | 2 cyl |
| Displacement | 212cc |
| Bore x Stroke | 56 x 43mm (2.20 x 1.69 in.) |
| Prop Shaft Horsepower | 9.9hp @ 5500rpm |
| Alternator Output at W.O.T. | 6 Amp |
| Compression Ratio | 9.4:1 |
| Recommended Fuel | Octane 87 |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel/Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller |
| Intake | 4 |
| Ignition | CDI Microcomputer |
| Spark Plug | BR6HS-10 |
| Starting System | Electric & Manual |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 0.8L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 2.92:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 20" - 25" |
| Degree of Tilt | 71° |
| Degree of Trim | -4° through +16° |
| Mounting Centers | N/A |
| Steering Angle (maximum) | 38° from center, either direction |
| Warranty | Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial |
† Weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller). All Jet model weights include the jet pump assembly (weight estimated).
Compared
How the T9.9 compares
with the F9.9, T25.
From Yamaha's spec tables; weights are the lightest Yamaha lists, valvetrain is from its dealer spec signs.
Same 9.9 hp class, Yamaha Portables 9.9 and 8 hp
T9.9 vs F9.9
- Weight: T9.9 15 lb heavier at the lightest weight Yamaha lists (102 lb vs 87 lb).
- Gear ratio: T9.9 2.92:1; F9.9 2.08:1.
- Shafts: T9.9 20 and 25-inch; F9.9 15 and 20-inch.
Same on both: 9.9hp @ 5500rpm rated output, 212cc displacement, SOHC (4-valve) valvetrain (spec sign), 6-amp alternator, 87 octane.
Same family
T9.9 vs T25
- Rated output: T9.9 9.9hp @ 5500rpm; T25 25hp @ 5500rpm.
- Displacement: T9.9 212cc; T25 432cc.
- Weight: T9.9 39 lb lighter at the lightest weight Yamaha lists (102 lb vs 141 lb).
- Gear ratio: T9.9 2.92:1; T25 2.08:1.
- Alternator: T9.9 6 amp; T25 16 amp.
- Fuel induction: T9.9 Carb; T25 Electronic Fuel Injection.
Same on both: SOHC (4-valve) valvetrain (spec sign), 20 and 25-inch shaft, 87 octane.
Rigging
Controls, gauges
and Helm Master EX.
Controls
- Mechanical Controls (compatible)
- Multi-Function Tiller Handle (compatible)
- Helm Master® EX (not available)
- Command Link Plus Digital Controls (not available)
Gauges
- Command Link and Analog Gauges (compatible)
- Command Link Plus Display (not available)
Yamaha lists Helm Master EX as not available for the T9.9 High Thrust.
Propellers Yamaha names for the T9.9 High Thrust
- Yamaha Dual ThrustComes standard on the T25 and T9.9; an option for the T60 and T50.
T9.9 High Thrust model codes
| Model code | Controls | Color |
|---|---|---|
| T9.9LWHB | Tiller handle | Gray |
| T9.9XWHB | Tiller handle | Gray |
| T9.9LPHB | Tiller handle | Gray |
| T9.9LPB | Remote mechanical | Gray |
| T9.9XPHB | Tiller handle | Gray |
| T9.9XPB | Remote mechanical | Gray |
| T9.9XPB2 | Remote mechanical | Pearl White |
Model codes from Yamaha's current model-code list. Ask us which code fits your boat; we confirm it when we quote.
Features
What's built into
the T9.9 High Thrust.
- 212 cc 9.9 hp High Thrust kicker for flats and multispecies boats.
- 102/114 lb; 20- and 25-inch shafts; 6-amp alternator.
- Optional V MAX SHO-style sport cowling.
- Offered in pearlescent white or Yamaha gray.
- Air intake labyrinth traps and drains water.
- Pressurized wet-sump oiling on T60, T50, T25 and T9.9.
- Phaze Five anti-corrosion paint over YDC-30 alloy.
- Thermostatic cooling control.
- Higher gear ratio than the F model of the same horsepower.
- Dual Thrust propeller: standard on T25 and T9.9, optional on T50 and T60.
- Microcomputer ignition timing.
- Single overhead camshaft design.
- Multi-point EFI on T60 and T50.
- Freshwater flush device works without running the engine.
Repower
Repowering with the T9.9 High Thrust
at Coastal Marine.
Coastal Marine is an Elite Yamaha dealer and an authorized Yamaha Repower Center on Shore Drive in Virginia Beach. A repower with the T9.9 High Thrust takes the old or worn-out outboard off a sound hull, of any make, and puts the new Yamaha on, with the controls, gauges and rigging the new setup needs. Warranty work on the Yamaha power we install is authorized in-house.
We don't post engine prices. Tell us the boat, what's on the transom now and roughly how many hours it has, and we'll quote the T9.9 High Thrust for it. Financing is available on repowers through Yamaha Financial Services.
T9.9 repower fit
- Shaft lengths
- 20 and 25-inchYamaha spec table
- Weight †
- 102 to 114 lbYamaha spec table, lightest to heaviest listed
- Control types
- tiller-handle (T9.9LWHB, T9.9XWHB, T9.9LPHB, T9.9XPHB); remote mechanical (T9.9LPB, T9.9XPB, T9.9XPB2)Yamaha model-code list
- Most popular propeller
- Dual Thrust Aluminum, 7” pitch (Standard)Yamaha dealer spec sign, 2026-09-01
The High Thrust family
Other engines
in this family.
Common questions
Yamaha T9.9 High Thrust
questions, answered.
Get a quote
on new Yamaha power.
Tell us the boat, the engines on it now and roughly the hours, and we'll quote the T9.9 High Thrust for it. We answer same business day.