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Mugen Seiki Ninja JX21 Engine parts
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Mugen Ninja JX21 Crankshaft (DLC Coated) Mugen Ninja JX21 Complete Piston/Sleeve
List Price: $160.00
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Mugen replacement main engine crankshaft for the Ninja JX21 B01 off-road engines.

Mugen Ninja JX21 Complete Piston/Sleeve
Mugen Ninja JX21 Muffler Mugen Ninja JX21 Carburetor
List Price: $150.00
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List Price: $140.00
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Mugen Ninja EFRA 2042 polished inline tuned pipe (no manifold).

 		Mugen Ninja JX21 Carburetor
Mugen Ninja JX21 Cooling Head Mugen Ninja JX21 Carburetor Body
List Price: $100.00
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List Price: $80.00
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Mugen Ninja JX21 Cooling Head Mugen Ninja JX21 Carburetor Body
Mugen Ninja JX21 Manifold C-Type Mugen Ninja JX21 Manifold L-Type
List Price: $65.00
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List Price: $65.00
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Mugen C-Type manifold for the Ninja JX21 B01 engine.

Mugen L-Type manifold for the Ninja JX21 B01 engine.

Mugen Ninja C-Type Manifold Mugen Ninja JX21 Turbo Head Button
List Price: $65.00
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List Price: $55.00
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Mugen Ninja C-Type Manifold Mugen replacement turbo button head for the Ninja .21 engines.
Mugen Ninja JX21 14x25.4x6mm Rear Ball Bearing Mugen Ninja JX21 Conrod
List Price: $58.00
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List Price: $50.00
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Mugen Ninja JX21 14x25.4x6mm Rear Ball Bearing Mugen Ninja JX21 Conrod
Mugen Ninja JX21 7x19x6mm Front Ball Bearing Mugen Ninja JX21 Rear Cover
List Price: $24.00
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List Price: $18.00
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Mugen Ninja JX21 7x19x6mm Front Ball Bearing Mugen Ninja JX21 Rear Cover
Mugen Ninja JX21 6.5mm Carburetor Air Reducer Mugen Ninja JX21 7.0mm Carburetor Air Reducer
List Price: $16.00
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Mugen 6.5mm carburetor restrictor for the Ninja JX21 engine.

Mugen 7.0mm carburetor restrictor for the Ninja JX21engine.

Mugen Ninja JX21 8.0mm Carburetor Air Reducer Mugen Ninja JX21 9.0mm Carburetor Air Reducer
List Price: $16.00
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Mugen 8.0mm carburetor restrictor for the Ninja JX21engine.

Mugen 9.0mm carburetor restrictor for the Ninja JX21engine.
Mugen Carburetor Bushing: JX21B01 Mugen Ninja JX21 6.0mm Carburetor Air Reducer
List Price: $14.00
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List Price: $16.00
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Mugen Carburetor Bushing: JX21B01 Mugen 6.0mm carburetor restrictor for the Ninja JX21 engine.
Mugen Ninja JX21 Base Speed Adjusting Screw Mugen Ninja JX21 Base Speed Needle
List Price: $15.00
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List Price: $14.00
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Mugen replacement carburetor base speed adjusting screw for the Ninja JX21 engine. Mugen Ninja JX21 Base Speed Needle
Mugen Ninja JX21 Fuel Intake Body Mugen Ninja JX21 Uniball Joint
List Price: $12.00
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Mugen replacement carburetor high speed needle housing and fuel intake for the Ninja JX21 engine.

Mugen replacement carburetor barrel uniball joint for the Ninja .21/.28 engines.

Mugen : JX Glow Plug Turbo P6 Hot: Ninja, OS Mugen Ninja JX21 Carburetor Retainer
List Price: $12.00
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List Price: $11.00
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Mugen : JX Glow Plug Turbo P6 Hot: Ninja, OS

Mugen replacement carburetor retaining pin for the Ninja JX21 engine.

Mugen JX "Turbo" P3 Glow Plug (Ultra Hot) Mugen JX "Turbo" P4 Glow Plug (Super Hot)
List Price: $12.00
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Mugen JX "Turbo" P3 Glow Plug (Ultra Hot) Mugen JX "Turbo" P4 Glow Plug (Super Hot)
Mugen JX Glow Plug Turbo P5 Ultra Hot: Ninja, OS Mugen Ninja JX21 Full Speed Needle
List Price: $12.00
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List Price: $10.00
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Mugen JX "Turbo" P5 Glow Plug (Ultra Hot) Mugen Ninja JX21 Full Speed Needle
Mugen Ninja JX21 Exhaust Gasket (2) Mugen Ninja JX21 Head Shim Set (.1 & .2mm)
List Price: $9.00
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List Price: $7.50
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Mugen pack of two shaped exhaust manifold gaskets for the Ninja JX21 engine.

Mugen head shim set for the Ninja JX21 B01 engine.

Mugen Ninja JX21 Duster Protection Rubber Mugen Ninja JX21 Fuel Intake Nipple
List Price: $7.50
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Mugen Ninja JX21 Duster Protection Rubber Mugen Ninja JX21 Fuel Intake Nipple
Mugen Ninja JX21 Idling Adjusting Screw Mugen Ninja JX21 Piston Pin
List Price: $7.50
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List Price: $7.00
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Mugen Ninja JX21 Idling Adjusting Screw

Mugen replacement piston retaining pin for the MR Ninja JX21 engine.

Mugen Ninja JX21 Manifold Spring (2) Mugen Ninja JX21 O-Ring Needle Set (6)
List Price: $6.00
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List Price: $5.00
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Mugen pack of two replacement manifold retaining springs from Ninja.

Mugen Ninja JX21 O-Ring Needle Set (6)
Mugen Ninja JX21 O-Ring Rear Cover Mugen Ninja JX21 Rear Cover Screw (4)
List Price: $4.00
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List Price: $4.00
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Mugen Ninja JX21 O-Ring Rear Cover Mugen Ninja JX21 Rear Cover Screw (4)
   
 
 
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