O.S.ENGINE

FS Alpha-155-P 25.36cc 4-Stroke Engine w. Silencer

Article nr: OS35430
Stock availability:
1 pcs
Delivery: 1-2 working days
Next delivery: 2025-09-12
Retail price: 5635 kr
Product description

O.S. FSa-155-P - 25.36cc 4-Stroke Airplane Engine


Specs:
  • Displacement: 25.36cc
  • Bore: 33.6mm
  • Stroke: 28.6mm
  • Output: 2.56hp @ 10.000RPM
  • Practical RPM Range: 2.000-10.000
  • Weight: 805g
Features
Country of origin: JP
Parts
  • Tools (2)
    Multi Glowplug Tool - Nuts: 8/5.5mm & Hex: 2.5/5mm
    Multi Glowplug Tool - Nuts: 8/5.5mm & Hex: 2.5/5mm
    50+ st
    Retail Price: €17.28
    Speed Plug Wrench O.S.SPEED
    Speed Plug Wrench O.S.SPEED
    12 st
    Retail Price: €28.65
  • Starting Equipment (2)
    Glow Starter with Meter for Sub-C battery
    Glow Starter with Meter for Sub-C battery
    34 st
    Retail Price: €34.56
    O.S. Glow Plug Type F
    O.S. Glow Plug Type F
    50+ st
    Retail Price: €13.61
  • Engines (56)
    O-Ring (S-16)
    O-Ring (S-16)
    12 st
    Retail Price: €5.81
    Throttle Lever Fixing Screw 1A-3A
    Throttle Lever Fixing Screw 1A-3A
    4 st
    Retail Price: €5.81
    Throttle Lever (No.5)
    Throttle Lever (No.5)
    16 st
    Retail Price: €5.81
    Nipple No.1
    Nipple No.1
    23 st
    Retail Price: €5.81
    O-Ring Carb Retainer 2 (7B, 20G)
    O-Ring Carb Retainer 2 (7B, 20G)
    17 st
    Retail Price: €5.81
    O-Ring for Needle
    O-Ring for Needle
    23 st
    Retail Price: €7.01
    Set Screw M3x3mm
    Set Screw M3x3mm
    2 st
    Retail Price: €5.81
    Ratchet Spring No.4
    Ratchet Spring No.4
    0 st
    Next delivery: 2025-09-12
    Retail Price: €5.81
    Needle Valve Holder 20C, 60U, 70D, 40J
    Needle Valve Holder 20C, 60U, 70D, 40J
    11 st
    Retail Price: €10.42
    Ball Bearing Rear 91SX/SZ, 61SXH/RXH
    Ball Bearing Rear 91SX/SZ, 61SXH/RXH
    29 st
    Retail Price: €21.84
    Piston Pin Retainer 120AX, 81VR-M, 108FSR
    Piston Pin Retainer 120AX, 81VR-M, 108FSR
    3 st
    Retail Price: €5.81
    Cover Gasket FS200S, 91SZ/RZ, GF30
    Cover Gasket FS200S, 91SZ/RZ, GF30
    2 st
    Retail Price: €5.81
    Ball Bearing Front 140RX
    5 st
    Retail Price: €16.03
    Needle 140RX
    Needle 140RX
    4 st
    Retail Price: €11.42
    Crankcase FSa-155
    1 st
    Retail Price: €150.87
    Cam Cover FSa155
    Cam Cover FSa155
    1 st
    Retail Price: €9.22
    Head Gasket FSa-155
    Head Gasket FSa-155
    2 st
    Retail Price: €5.81
    Crankshaft FSa-155
    Crankshaft FSa-155
    1 st
    Retail Price: €100.58
    Cylinder Liner FSa-155
    4 st
    Retail Price: €46.88
    Piston FSa-155
    Piston FSa-155
    3 st
    Retail Price: €46.88
    Piston Ring FSa-155
    Piston Ring FSa-155
    2 st
    Retail Price: €28.65
    Cylinder Head FSa-155
    Cylinder Head FSa-155
    2 st
    Retail Price: €100.58
    Rocker Cover FSa-155 Black
    2 st
    Retail Price: €17.23
    Connecting Rod FSa-155
    Connecting Rod FSa-155
    4 st
    Retail Price: €33.26
    Piston Pin FSa-155
    Piston Pin FSa-155
    5 st
    Retail Price: €12.62
    Cover Plate FSa-155-P
    Cover Plate FSa-155-P
    1 st
    Retail Price: €18.43
    Drive Washer FSa-155
    Drive Washer FSa-155
    2 st
    Retail Price: €18.43
    Valve Spring FSa-155
    Valve Spring FSa-155
    2 st
    Retail Price: €5.81
    Rocker Arm FSa-155, GF30
    Rocker Arm FSa-155, GF30
    2 st
    Retail Price: €25.25
    Rocker Support FSa-155
    Rocker Support FSa-155
    2 st
    Retail Price: €28.65
    Cam Shaft FSa-155
    2 st
    Retail Price: €62.91
    Push Rod Cover FSa-155
    Push Rod Cover FSa-155
    1 st
    Retail Price: €9.22
    Intake Manifold FSa-155-P
    Intake Manifold FSa-155-P
    2 st
    Retail Price: €28.65
    Carburettor Complete 70R (FSa-155-P)
    Carburettor Complete 70R (FSa-155-P)
    2 st
    Retail Price: €137.05
    Förgasare Body 70R (FSa-155-P)
    Förgasare Body 70R (FSa-155-P)
    4 st
    Retail Price: €83.55
    Förgasare Rotor 70R (FSa-155-P)
    Förgasare Rotor 70R (FSa-155-P)
    1 st
    Retail Price: €33.26
    Air Funnel 70R (FSa-155-P)
    Air Funnel 70R (FSa-155-P)
    2 st
    Retail Price: €16.03
    Exhaust Valve FS200S
    5 st
    Retail Price: €33.26
    Tappet Adjusing Screw FS200S, GF30
    Tappet Adjusing Screw FS200S, GF30
    4 st
    Retail Price: €9.22
    Cam Followers FS200S, GF30
    Cam Followers FS200S, GF30
    4 st
    Retail Price: €17.23
    Mixture Control valve Assembly 80N (FS200S)
    Mixture Control valve Assembly 80N (FS200S)
    3 st
    Retail Price: €12.62
    Cam Shaft Bearing FS40-120S
    Cam Shaft Bearing FS40-120S
    0 st
    Next delivery: 2025-09-12
    Retail Price: €12.62
    Woodruff Key FS120SIII/SII/SE/SP
    Woodruff Key FS120SIII/SII/SE/SP
    0 st
    Retail Price: €5.81
    Thrust Washer FS120S/SII/SE/SP
    Thrust Washer FS120S/SII/SE/SP
    1 st
    Retail Price: €5.81
    Intake Valve FS120S3/SE
    Intake Valve FS120S3/SE
    5 st
    Retail Price: €30.86
    Valve Spring Retainer FT120S3/SE
    Valve Spring Retainer FT120S3/SE
    5 st
    Retail Price: €7.01
    Valve Collet FS120S3/SE, GF30
    Valve Collet FS120S3/SE, GF30
    5 st
    Retail Price: €9.22
    O-Ring (S-5) for Push Rod Cover
    O-Ring (S-5) for Push Rod Cover
    6 st
    Retail Price: €5.81
    Carburettor Fixing Screw FS70S-120S
    2 st
    Retail Price: €5.81
    Rotor Guide Screw 20C, 60F/L/MC, 70D
    Rotor Guide Screw 20C, 60F/L/MC, 70D
    0 st
    Retail Price: €5.81
    Rocker Arm Retainer FS26S-120S, FS70U
    Rocker Arm Retainer FS26S-120S, FS70U
    3 st
    Retail Price: €5.81
    Lock Nut Set FS70S2, FS91S/FX, FS120AX
    Lock Nut Set FS70S2, FS91S/FX, FS120AX
    12 st
    Retail Price: €18.43
    O-Ring P-3
    O-Ring P-3
    2 st
    Retail Price: €5.81
    Push Rod FT160, FT120S-SP
    Push Rod FT160, FT120S-SP
    4 st
    Retail Price: €9.22
    Carburettor Gasket (S-12.5) 40-61, FT300
    Carburettor Gasket (S-12.5) 40-61, FT300
    10 st
    Retail Price: €5.81
    Pump Unit PD-08 (FS200S-P, GF30)
    Pump Unit PD-08 (FS200S-P, GF30)
    0 st
    Retail Price: €83.55
  • Exhaust Systems (8)
    Silencer F-6020 (FSa-155P)
    Silencer F-6020 (FSa-155P)
    1 st
    Retail Price: €74.33
    Silencer Housing F-6020 (FSa-155P)
    Silencer Housing F-6020 (FSa-155P)
    1 st
    Retail Price: €60.71
    Silencer Assembly Screw M4x132 F-6020
    Silencer Assembly Screw M4x132 F-6020
    2 st
    Retail Price: €9.22
    O-Ring (S-25) Silencer Gasket F-6020
    O-Ring (S-25) Silencer Gasket F-6020
    0 st
    Retail Price: €7.01
    Exhaust Header Pipe Assembly F-6020
    Exhaust Header Pipe Assembly F-6020
    2 st
    Retail Price: €18.43
    Manifold Nut (M14) F-5020 (FS120SIII)
    Manifold Nut (M14) F-5020 (FS120SIII)
    7 st
    Retail Price: €5.81
    Discontinued
    Exhaust Header Pipe Inside FS120S*
    Exhaust Header Pipe Inside FS120S*
    0 st
    Retail Price: €23.24
    Discontinued
    Exhaust Header Pipe Outside FS120S*
    Exhaust Header Pipe Outside FS120S*
    0 st
    Retail Price: €23.24
  • Accessories Other (1)
    Needle Valve Extension Cable
    Needle Valve Extension Cable
    4 st
    Retail Price: €7.01
  • Hardware (5)
    Hex Screw M2.6x7mm (10)
    Hex Screw M2.6x7mm (10)
    4 st
    Retail Price: €9.83
    Hex Screw M2.6x10mm (10)
    Hex Screw M2.6x10mm (10)
    3 st
    Retail Price: €9.83
    Hex Screw M3x8mm (10)
    Hex Screw M3x8mm (10)
    11 st
    Retail Price: €9.83
    Hex Screw M3x15mm (10)
    Hex Screw M3x15mm (10)
    11 st
    Retail Price: €9.83
    Hex Screw M3x20mm (10)
    Hex Screw M3x20mm (10)
    2 st
    Retail Price: €9.83
Popular Accessories
Engine Mount Set FS120S/AX
Engine Mount Set FS120S/AX
10 st
Retail Price: €114.21
Files/Downloads
File name Language Published
OS_FS_alpha-155-P_Manual EN 2020-02-24
OS_FS_alpha-155-P_Exploded_Partslist EN 2020-02-24
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

Glow Starter with Meter for Sub-C battery
Glow Starter with Meter for Sub-C battery
34 st
Retail Price: €34.56
Multi Glowplug Tool - Nuts: 8/5.5mm & Hex: 2.5/5mm
Multi Glowplug Tool - Nuts: 8/5.5mm & Hex: 2.5/5mm
50+ st
Retail Price: €17.28
Speed Plug Wrench O.S.SPEED
Speed Plug Wrench O.S.SPEED
12 st
Retail Price: €28.65

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