O.S.ENGINE

GT15HZ II 15cc 2-Stroke Gasoline Helie Engine w/ Boost Pipe*

Article nr: OS38157
Product description

O.S. GT15HZII - 15cc Gasoline Helicopter Engine with Powerboost Exhaust

The GT15HZ, which sensationally debuted as the world's first 15cc gasoline engine exclusively for 700-class helicopters, has been brushed up to the second generation. Adopted large aluminum heat sink head with blue anodized. Also, the heat sink is mounted on the cover plate and the heat sink is attached to improve the cleaning performance.

Specs:
  • Displacement: 14.95cc
  • Bore: 27.7mm
  • Stroke: 24.8mm
  • Output: 2.47hp @ 14.000r.p.m.
  • Practical RPM Range: 2.000-16.000
  • Weight Engine: 685g
  • Weight Ignition Module: 92g
Features
: 2025-02-03
Country of origin: JP
Parts
  • Engines (31)
    Piston Pin 91HZ, 61SX-H, 61SFN-H, 61FSR
    Piston Pin 91HZ, 61SX-H, 61SFN-H, 61FSR
    5 st
    Retail Price: €9.22
    Ball Bearing Front 120AX
    Ball Bearing Front 120AX
    2 st
    Retail Price: €18.43
    O-Ring (S-36) 75AX
    O-Ring (S-36) 75AX
    2 st
    Retail Price: €5.81
    Piston Pin Retainer GT15HZ v2 (thicker)
    Piston Pin Retainer GT15HZ v2 (thicker)
    1 st
    Retail Price: €7.01
    Crankcase GT15HZ
    Crankcase GT15HZ
    1 st
    Retail Price: €150.87
    Crankcase Plug GT15HZ
    Crankcase Plug GT15HZ
    1 st
    Retail Price: €12.62
    Crankshaft GT15HZ
    Crankshaft GT15HZ
    2 st
    Retail Price: €89.16
    Crank Pin Stop Screw GT22, GF30
    Crank Pin Stop Screw GT22, GF30
    1 st
    Retail Price: €9.22
    Cylinder Liner GT15HZ
    Cylinder Liner GT15HZ
    3 st
    Retail Price: €93.77
    Piston GT15HZ
    Piston GT15HZ
    0 st
    Next delivery: 2025-09-26
    Retail Price: €74.33
    Piston Ring GT15HZ
    Piston Ring GT15HZ
    3 st
    Retail Price: €22.84
    Cylinder Head GT15HZ II
    Cylinder Head GT15HZ II
    1 st
    Retail Price: €137.05
    Connecting Rod GT15HZ
    Connecting Rod GT15HZ
    1 st
    Retail Price: €44.68
    Cover Plate GT15HZ
    Cover Plate GT15HZ
    1 st
    Retail Price: €15.03
    Drive Washer GT15HZ
    Drive Washer GT15HZ
    2 st
    Retail Price: €37.87
    Thermo Insulator GT15HZ
    Thermo Insulator GT15HZ
    1 st
    Retail Price: €9.22
    Carburettor Complete GT15HZ
    Carburettor Complete GT15HZ
    2 st
    Retail Price: €150.87
    Ball Bearing Rear 61-91F/FX/FR
    Ball Bearing Rear 61-91F/FX/FR
    19 st
    Retail Price: €15.03
    Shims (0.2) 91HZ
    Shims (0.2) 91HZ
    4 st
    Retail Price: €7.01
    Crankcase Heatsink 91HZ
    Crankcase Heatsink 91HZ
    2 st
    Retail Price: €22.84
    WLA-2 Screw 96-156
    WLA-2 Screw 96-156
    2 st
    Retail Price: €5.81
    WLA-2 Screw 96-603
    WLA-2 Screw 96-603
    1 st
    Retail Price: €5.81
    WLA-2 Choke Arm Assembly
    WLA-2 Choke Arm Assembly
    3 st
    Retail Price: €7.01
    Throttle Lever Assembly GT15HZ
    Throttle Lever Assembly GT15HZ
    1 st
    Retail Price: €8.01
    Drive Pin FL70
    Drive Pin FL70
    3 st
    Retail Price: €5.81
    Propeller Nut 5/16-24 61-91, FS120
    Propeller Nut 5/16-24 61-91, FS120
    15 st
    Retail Price: €5.81
    Thrust Washer 46AX, 91FX/SXH/SZ, FT160, FF
    Thrust Washer 46AX, 91FX/SXH/SZ, FT160, FF
    5 st
    Retail Price: €5.81
    Carburettor Gasket GT15HZ
    Carburettor Gasket GT15HZ
    1 st
    Retail Price: €9.22
    Rotation Sensor Holder IG-02
    Rotation Sensor Holder IG-02
    4 st
    Retail Price: €28.65
    Rotation Sensor Fixing Screw IG-02
    Rotation Sensor Fixing Screw IG-02
    2 st
    Retail Price: €7.01
    Ignition Module IG-05 (GT15HZ)
    Ignition Module IG-05 (GT15HZ)
    4 st
    Retail Price: €97.17
  • Exhaust Systems (4)
    Silencer Fixing Screw M4x45 E-5020
    2 st
    Retail Price: €5.81
    Exhaust Tube PowerBoost 91HZ
    2 st
    Retail Price: €12.62
    Exhaust Gasket Set PowerBoost 91HZ
    5 st
    Retail Price: €5.81
    PowerBoost Pipe GT15HZ
    PowerBoost Pipe GT15HZ
    2 st
    Retail Price: €228.41
  • Starting Equipment (1)
    O.S. Spark Plug CM-6 (RCE)
    O.S. Spark Plug CM-6 (RCE)
    20 st
    Retail Price: €11.24
  • Hardware (3)
    Hex Screw M3x12mm (10)
    Hex Screw M3x12mm (10)
    7 st
    Retail Price: €9.83
    Hex Screw M3x20mm (10)
    Hex Screw M3x20mm (10)
    2 st
    Retail Price: €9.83
    Hex Screw M5x50mm (10)
    Hex Screw M5x50mm (10)
    4 st
    Retail Price: €12.18
Popular Accessories
Bubbless Clunk S
Bubbless Clunk S
11 st
Retail Price: €12.62
Super Filter Large
Super Filter Large
13 st
Retail Price: €11.42
Super Filter Small
Super Filter Small
43 st
Retail Price: €10.42
Files/Downloads
File name Language Published
OS_GT15HZ-II_Explode_Partslist EN 2020-02-25
OS_GT15HZ-II_Manual EN 2020-02-25
GPSR

Manufacturer

Registred contact information for the products manufacturer.

Name OS Engines MFG.Co.Ltd
Address 6-15, 3-Chome Imagawa
Higashisumiyoshi-ku
546-0003 Osaka
Country Japan
Phone 0081-6-6704-2722
Email e-info@os-engines.co.jp
Homepage www.os-engines.co.jp

Importer

Registered contact information for the responsible company within the EU.

Name Minicars Hobby Distribution AB
Address Annelundsgatan 17
74940 Enköping
Country Sverige
Phone 0046-0171143000
Email info@minicars.se
Homepage https://www.minicars.se
Fits

Complete with

Bubbless Clunk S
Bubbless Clunk S
11 st
Retail Price: €12.62
Super Filter Large
Super Filter Large
13 st
Retail Price: €11.42
Super Filter Small
Super Filter Small
43 st
Retail Price: €10.42
Login / Retailer
Forgot password?

Our lowest price 1-30 days before price reduction:

NOTE. The price is the lowest price applied for the product 1-30 days before the current price reduction was implemented. The exception is if gradual reductions have been made, then the lowest price 1-30 days before the first price reduction is shown.
Choose country
Change country