CYLINDER KIT SCOOTER -IRON- DOPPLER "ORIGIN" FOR BW'S/SLIDER/ROCKET/NEXT

Ref. : 494639
High engine subfamily Cylindre/Piston/Culasse
Cooling Air
Studed cylinder head Non
Cylinder material Fonte
Number of admission transfers 5
Exhaust type Ovale
Exhaust Mount Type A bride
Cylinder head material Aluminium
Piston material Aluminium moulé
Piston diameter 39.95
Piston pin diameter in mm 10
Piston cap Domed
Number of piston rings 2
Piston ring material Fonte chromée
Piston ring section Rectangulaire
Segment lug Recouvert
Gaskets supplied Oui
Spare part: cylinder head 215078
Spare part: cylinder head gaskets 491314
Spare part: piston 491315
Spare part: piston ring 491316

The original cylinder kit is a 5-transfer sweep model. Its half-barrel exhaust is venturised, the intake and gas flow are rectified.
Dead volumes have been reduced.
All of these modifications result in a more expressive engine at low revs, while being more flexible.
Contains:
- Cylinder
- Cylinder head
- Piston
- Rings
- Shaft
- Circlips
- Seal pocket

  • MBK BOOSTER (50 cc) From 1989 to 2019
  • MBK BOOSTER ONE (50 cc) From 2013 to 2017
  • MBK ROCKET (50 cc) From 2004 to 2009
  • MBK STUNT NAKED (50 cc) From 2005 to 2012
  • YAMAHA BW'S (50 cc) From 2004 to 2019
  • YAMAHA BW'S EASY (50 cc) From 2013 to 2017
  • YAMAHA NEXT (50 cc) From 2004 to 2009
  • YAMAHA SLIDER NAKED (50 cc) From 2005 to 2012
Gross weight :
1,902 kg
Length :
0.210 m
Width :
0.154 m
Height :
0.170 m
Volume :
0.00550 m³