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Engine Spares

OS 45906000 Piston Pin

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OS 45906000 Piston Pin

OS 45906000 Piston Pin for FS91S, S II, S II (P), 70U and FT-160.  

Price: SGD$6.10
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OS 45061202 Tappet Adjusting Screw

OS 45061202 Tappet Adjusting Screw

45061202 Tappet Adjusting Screw

This is an OS 45061202 Tappet Adjusting Screw for FS-70S, 91S, 120S, Ft160, 300, FF320 and FR5.

Price: SGD$5.00
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OS 24681010 46AXII Carburetor Complete (40K)

OS 24681010 46AXII Carburetor Complete (40K)
This is a replacement Carburetor Complete for the OS 46AXII (40K) engine. 

Price: SGD$71.70

OS 49403400 Piston Ring GF40

OS 49403400 Piston Ring GF40

This is a replacement Piston Ring for OS GF40 engine. 

OS 49403400 Piston Ring GF40
Price: SGD$22.60
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OS 21001010 10LA Crankcase Silver

OS 21001010 10LA Crankcase Silver
This is a replacement crankcase for the OS 10LA engine
OS 21001010 10LA Crankcase Silver

Price: SGD$20.70
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OS 29781375 Throttle Lever Assembly for GT15HZ

OS 29781375 Throttle Lever Assembly for GT15HZ
This is a replacement Throttle Lever Assembly for OS GT15HZ engine. 
OS 29781375 Throttle Lever Assembly for GT15HZ

Price: SGD$4.00
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OS 28703100 Cylinder Liner 105HZ

OS 28703100 Cylinder Liner 105HZ
This is a replacement Cylinder Liner for the OS 105HZ engine. 
OS 28703100 Cylinder Liner 105HZ

Price: SGD$78.90

OS 28704160 Head Gasket 105HZ

OS 28704160 Head Gasket 105HZ
This head gasket is a replacement part for OS 105HZ engine. 
OS 28704160 Head Gasket 105HZ

Price: SGD$2.90
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OS 24981837 21K Needle Valve O-Ring for FSX-81

OS 24981837 21K Needle Valve O-Ring for FSX-81
This 2 pcs of needle valve O-rings are replacements for OS FSX-81 engine. 
OS 24981837 21K Needle Valve O-Ring for FSX-81

Price: SGD$4.10
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OS 74003520 M5 Stand Off Engine Mount (1/2"/12.7mm)

OS 74003520 M5 Stand Off Engine Mount (1/2
This set of OS 74003520 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1/2" (12.7mm) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and 5mm blind nuts. 
OS 74003520 M5 Stand Off Engine Mount (1/2"/12.7mm)

Price: SGD$15.10
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OS 24025923 Nipple No.2

OS 24025923 Nipple No.2

OS 24025923 Nipple No.2 is designed for use with OS marine engines for water inlet and outlet. This pair of nipples are made of aluminium and come with plastic washers. 

OS 24025923 Nipple No.2
Price: SGD$1.80
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OS 22781800 O-rings for Control Valve

OS 22781800 O-rings for Control Valve
OS 22781800 O-rings for Control Valve is used on the idle set screw of 21K carburetor of OS engines.
OS 22781800 O-rings for Control Valve

Price: SGD$2.10

OS 21507000 15CV-A Cover Plate Assembly

OS 21507000 15CV-A Cover Plate Assembly

This OS 21507000 15CV-A Cover Plate Assembly is a replacement part designed for the O.S. Max 15CV-A engine. This cover plate assembly is located on the back of the crankcase. 

OS 21507000 15CV-A Cover Plate Assembly
Price: SGD$12.30
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OS 74003550 M5 Stand Off Engine Mount (1 1/4"/31mm)

OS 74003550 M5 Stand Off Engine Mount (1 1/4
This set of OS 74003550 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1 1/4" (31m) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and washers. 
OS 74003550 M5 Stand Off Engine Mount (1 1/4"/31mm)

Price: SGD$18.30
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OS 74003570 M5 Stand Off Engine Mount (1 3/4"/41mm)

OS 74003570 M5 Stand Off Engine Mount (1 3/4
This set of OS 74003550 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1 3/4" (41m) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and washers. 
OS 74003570 M5 Stand Off Engine Mount (1 3/4"/41mm)

Price: SGD$20.20
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OS 74003560 M5 Stand Off Engine Mount (1 1/2"/38mm)

OS 74003560 M5 Stand Off Engine Mount (1 1/2
This set of OS 74003560 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1 1/2" (38m) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and washers. 
OS 74003560 M5 Stand Off Engine Mount (1 1/2"/38mm)

Price: SGD$19.20
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OS 26711305 21K Ratchet Spring (No.4)

OS 26711305 21K Ratchet Spring (No.4)

This ratchet spring is designed to fit many OS Engines' needle valve assemblies. It holds the needle valve in place after adjustment.

OS 26711305 21K Ratchet Spring (No.4)
Price: SGD$1.90
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OS 74003580 M5 Stand Off Engine Mount (2"/50.8mm)

OS 74003580 M5 Stand Off Engine Mount (2
This set of OS 74003580 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 2" (50.8mm) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and washers. 
OS 74003580 M5 Stand Off Engine Mount (2"/50.8mm)

Price: SGD$22.20
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OS 74003510 M5 Stand Off Engine Mount (1/4"/6.4mm)

OS 74003510 M5 Stand Off Engine Mount (1/4
This set of OS 74003530 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1/4" (6.4mm) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and 5mm blind nuts. 
OS 74003510 M5 Stand Off Engine Mount (1/4"/6.4mm)

Price: SGD$15.10
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OS 74003530 M5 Stand Off Engine Mount (3/4"/19.1mm)

OS 74003530 M5 Stand Off Engine Mount (3/4
This set of OS 74003530 M5 Stand Off Engine Mount is designed engines such as OS GT33 and GT55. It allows the engine to be mounted 3/4" (19mm) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and 5mm blind nuts. 
OS 74003530 M5 Stand Off Engine Mount (3/4"/19.1mm)

Price: SGD$15.10
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OS 74003540 M5 Stand Off Engine Mount (1"/25.4mm)

OS 74003540 M5 Stand Off Engine Mount (1
This set of OS 74003540 M5 Stand Off Engine Mount is designed for engines such as OS GT33 and GT55. It allows the engine to be mounted 1" (25.4mm) from the airplane's firewall. Package includes stand offs, 5mm socket head bolts and washers. 
OS 74003540 M5 Stand Off Engine Mount (1"/25.4mm)

Price: SGD$17.10
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OS 25830010 Ball Bearing for 50SX-H/55AX/BE

OS 25830010 Ball Bearing for 50SX-H/55AX/BE
This Ball Bearing is a replacement part for 50SX-H/55AX/55AX BE engines. 
OS 25830010 Ball Bearing for 50SX-H/55AX/BE

Price: SGD$23.30
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OS 26731002 Crankshaft Ball Bearing for 40-61 (F)

OS 26731002 Crankshaft Ball Bearing for 40-61 (F)
This Crankshaft Ball Bearing is a replacement part for OS 40-61 engines. 
OS 26731002 Crankshaft Ball Bearing for 40-61 (F)

Price: SGD$12.60
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OS Piston Pin Retainer for 21V-SPEC/RZ/XM/15RX

OS Piston Pin Retainer for 21V-SPEC/RZ/XM/15RX
This OS Piston Pin Retainer is a replacement part for 21V-SPEC/RZ/XM/15RX. 
OS Piston Pin Retainer for 21V-SPEC/RZ/XM/15RX

Price: SGD$1.70
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OS 71669000 Ignition Plug CM-6

OS Ignition Plug CM-6 for GT55
This Ignition Plug CM-6 is designed for use with OS GT22, GT33, GT55, GT60, GT15, GT-15HZ gasoline engines. 
OS 71669000 Ignition Plug CM-6

Price: SGD$14.00
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OS 21XM Cylinder & Piston Assembly

OS 21XM Cylinder & Piston Assembly
This OS Cylinder & Piston Assembly is a replacement part for 21XM engine. 
OS 21XM Cylinder & Piston Assembly

Price: SGD$109.70
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OS 21XM Flexible Wire

OS 21XM Flexible Wire
This OS Flexible Wire is a replacement part for 21XM engine. 
OS 21XM Flexible Wire

Price: SGD$11.70

OS 22423100 Cylinder & Piston Assembly for 21XZ-B Spec 2

OS 22423100 Cylinder & Piston Assembly for 21XZ-B Spec 2

This OS Cylinder & Piston Assembly is a replacement part for 21XZ-B Spec 2 engine. 

OS 22423100 Cylinder & Piston Assembly for 21XZ-B Spec 2
Price: SGD$174.00
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OS 22425000 Conrod for 21XZ-B Spec 2

OS 22425000 Conrod for 21XZ-B Spec 2
This OS Conrod is a replacement part for 21XZ-B Spec 2 engine. 
OS 22425000 Conrod for 21XZ-B Spec 2

Price: SGD$38.60
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OS 23981520 Dust Cover (21E) for 30VG

OS 23981520 Dust Cover (21E) for 30VG
This OS Dust Cover (21E) is a replacement part for 30VG engine. 
OS 23981520 Dust Cover (21E) for 30VG

Price: SGD$6.40
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OS 28703200 Piston for 105HZ

OS 28703200 Piston for 105HZ
This OS Piston for a replacement part for 105HZ engine. 
OS 28703200 Piston for 105HZ

Price: SGD$75.20

OS 71530530 Crankshaft Clamp for GT15,105,91HZ

OS 71530530 Crankshaft Clamp for GT15,105,91HZ
This OS Crankshaft Clamp is a replacement part for GT15,105,91HZ engines. 
OS 71530530 Crankshaft Clamp for GT15,105,91HZ

Price: SGD$16.50
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OS 22013000 Cylinder & Piston for 21XZ

OS 22013000 Cylinder & Piston for 21XZ
This OS Cylinder & Piston is a replacement part for for 21XZ engine. 
OS 22013000 Cylinder & Piston for 21XZ

Price: SGD$174.00
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OS T-1060 L52 Tuned Silencer Assembly Complete Set (EFRA2661)

OS T-1060 L52 Tuned Silencer Assembly Complete Set (EFRA2661)

This OS T-1060 L52 Silencer employs a new manifold installing system. Manifold is clamped on the silencer with two semicircular aluminum pieces (silencer ring) and a C spring. The new installation system reduces the risk of silencer and manifold coming apart. This allows for tail pipe direction minor adjustments too. The silencer is designed for use with OS Max 12XZ, OS Speed 12XZ, 12TG and 12TZ engines.

OS T-1060 L52 Tuned Silencer Assembly Complete Set (EFRA2661)
Price: SGD$146.00
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OS 72146000 Powerboost Pipe 105

OS 72146000 Powerboost Pipe 105 

The OS 72146000 Powerboost Pipe 105 is designed exclusively for the OS Max 105HZ and 105HZ-R helicopter engines. This polish finished aluminum pipe will deliver optimum performance for hardcore 3D, as well as a stable idle and hovering performance.  

OS 72146000 Powerboost Pipe 105
Price: SGD$219.90

OS Booster Ground Lead Wire

OS Booster Ground Lead Wire
OS Booster Ground Lead Wire for OS engines. Diameter 5mm.
OS Booster Ground Lead Wire

Price: SGD$6.00
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OS T-2090SC Tuned Silencer Complete Set

OS T-2090SC Tuned Silencer Complete Set
OS T-2090SC Tuned Silencer Complete Set is designed to be a perfect combination with OS Speed 21XZ-B and 19XZ-B engines. 
OS T-2090SC Tuned Silencer Complete Set

Price: SGD$175.20
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OS T-2080SC Tuned Silencer Complete Set (72106850)

OS T-2080SC Tuned Silencer Complete Set (72106850)

The OS T-2080C Tuned Silencer Complete Set for the OS 21XZ and 21VG engines designed for 1/8 RC on road or car racing. 

OS T-2080SC Tuned Silencer Complete Set (72106850)
Price: SGD$183.10
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OS Speed Tuned Silencer Complete Set T-2060SC (WNI)

OS Speed Tuned Silencer Complete Set T-2060
OS Speed Tuned Silencer Complete Set T-2060SC (WNI) is the optional O.S. Max T-2060 WN Speed Tuned Pipe Set for the following OS engines: Max-21XZ-B, Speed-21XZ-B, Max-21VZ-B, Speed-21VZ-B, Max-21VG, Max-25XZ, Max-28XZ and Max-30VG
OS Speed Tuned Silencer Complete Set T-2060SC (WNI)
Price: SGD$169.80
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OS Powerboost Pipe GT15HZ

OS Powerboost Pipe GT15HZ

This OS Powerboost Pipe is designed for GT15HZ two stroke gasoline engine for helicopter. It helps stabilize power of the GT15HZ in achieving its best performance.  

OS Powerboost Pipe GT15HZ
Price: SGD$219.90
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