CMPO | 50cc Scooter Cylinder Head BN139QMB | Specialist in Motorcycle and Scooter Parts for Chinese Bikes. Many models covered such as Baotian, Lifan, Lexmoto, Jinlun, Jailing and more, with everything from exhausts to engines, and tyres to fuel caps

Special Offer

50cc Scooter Cylinder Head BN139QMB

Restore your scooter's performance with this high-quality 50cc Scooter Cylinder Head.

Designed as a direct replacement for the BN139QMB engine, this cylinder head is built to exacting standards for a perfect fit and reliable... view more

£43.49 £34.79 Sale

Availability: Low Stock

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Code: CYLH034 PLU: 15606 EAN: 5057645139980 Number of Valves: Capacity Rating Inlet Valve size: 18.5mm Exhaust Valve size: 16mm Valve Train layout: SOHC Brand: CMPO Classic Part: No Country/Region of Manufacture: China Engine Type: 4-Stroke Finish: Unfinished Items included: Cylinder Head Machine Type: Scooter Manufacturer Part Number: CYLH034 Manufacturer Warranty: 12 Months Material: Cast Iron Number of Cylinders: 1 Performance Part: No Reference OE/OEM Number: 120800107 Type: Cylinder Head Unit Quantity: 1 Unit Type: Unit Universal Fitment: No

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Description

"You should buy this Cylinder Head"

Restore your scooter's performance with this high-quality 50cc Scooter Cylinder Head.

Designed as a direct replacement for the BN139QMB engine, this cylinder head is built to exacting standards for a perfect fit and reliable operation.

Key Features:

Durable Construction: Made from premium materials for long-lasting durability.
Precise Fitment: Engineered for seamless integration with your existing engine components.
Enhanced Performance: Helps to optimize combustion and restore lost power.
Easy Installation: Designed for straightforward replacement.

Upgrade your engine and experience a smoother, more powerful ride.

Product Diagram

Ref	Item Name	Price
3	50cc Scooter Rocker Cover Gasket 139QMA 139QMB `GSKRC020 x 1`	~~£4.49~~ £3.59
7	50cc Scooter Inlet/Exhaust Valve Collets 139QMA 139QMB `VLVC019 x 2`	~~£1.99~~ £1.59
8	50/125cc Scooter Inlet/Exhaust Valve Spring Retainer `VLVSR005 x 1`	~~£4.99~~ £3.99
9, 10	Valve Spring 139QMA 139QMB `VLVS005 x 1`	~~£9.49~~ £7.59
12	50/100/125cc Valve Stem Oil Seal `VLVOS002 x 1`	~~£3.49~~ £2.79
14	Engine Dowel 8 x 14mm `DWL001 x 1`	~~£4.99~~ £3.99
15	50cc Scooter Cylinder Head BN139QMB `CYLH034 x 1`	~~£43.49~~ £34.79
16	50cc Scooter Inlet Valve BN139QMB `VLVIN019 x 1`	~~£13.49~~ £10.79
20	Rocker Cover Breather Hose Adapter `PPB040 x 1`	~~£1.99~~ £1.59
21	50cc Scooter Baffle Plate Gasket 139QMA 139QMB `GSKRC039 x 1`	~~£1.49~~ £0.15
26	Inlet Manifold 1 Nipple `MNF009 x 1`	~~£6.99~~ £5.59
31	Lexmoto Scooter Camshaft `CMS001 x 1`	~~£18.99~~ £15.19
40	Emission Valve Pipe Metal for FT50QT-27 `EGRPP057 x 1`	~~£6.49~~ £5.52
41	Emission Valve Gasket T1 `GSKEGR002 x 1`	~~£3.99~~ £3.39
41	Emission Valve Gasket `GSKEGR008 x 1`	~~£3.99~~ £3.39
42	Rocker Cover 139QMA 139QMB `RKC006 x 1`	~~£18.99~~ £15.19

Compatibility

Manufacturer	Model	Diagram
AJS	Modena 50 [ZN50QT-27]

Direct Bikes	50cc Milan E3 [DB50QT-30A]
	50cc Ninja E3 [DB50QT-15B]
	50cc Retro
	50cc Scorpion E3 [DB50QT-32A]
	50cc Sports
	50cc Tommy E3 [DB50QT-E]
	50cc Viper E3 [DB50QT-32]

Lexmoto	Flash 50
	Milano 50 [FT50QT-27]	View parts diagram
	Tommy 50
	Tommy 50 [ZN50QT-E]
	Valencia 50 [ZN50QT-K]	View parts diagram

Pulse	Phantom 50 [ZN50QT-32A]

Tamoretti	Retro 50

Znen	Flash 50 [ZN50QT-15A]
	Speedy Streetfighter
	Tommy 50 [ZN50QT-A]
	ZN50QT-11
	ZN50QT-E