Home > Airhead > Custom > EME Scrambler >

Power Kit Extra upgrade to 1000cc - BMW R75, R90 Early Models 1969-1975/ Siebenrock
1100072,11R75/5 piston upgrade kit,R75/6 piston upgrade kit,R90/6 piston upgrade kit,R90S piston upgrade kit,R75/5 upgrade to 1000cc,R75/6 upgrade to 1000cc,R90/6 upgrade to 1000cc,R90S upgrade to 1000cc
Alternative Views:

Part #: PistonKit0072

The ultimate 1000cc conversion kit for all BMW R75 and R90 models with 97mm cylinder base opening, including all Head Gaskets and Installation Instructions.

PistonKit085 for kit applicable to later models.

The kit contains Nikasil coated cylinders with lighter (150g), spontaneous quiet running pistons. The kit also contains new piston rings, piston pins and stainless steel push rod tubes already installed in the cylinders. The piston shape is specially designed to require no further modifications to the head. All gaskets are included for installation!

The conversion increases torque and horsepower over the entire range of rpm's.

See preview of Siebenrock
Expert Opinion on Modification and Installation Instructions.


Vehicle Manufacturer: BMW
Application: BMW Airhead Models
Make/Model: BMW R75/5,
R75/6, R90/6, R90S
Model Years: 08/1969 - 9/1975
Manufacturer #: 1100072 Siebenrock

Brand :
USD Price $1,399.99
BUY NOW $1,250.00

Quantity in Stock:11

Part #: PISTONKIT0072

The Kit includes all the Top End Gaskets and Seals required for installation:

  • 2 GSK-Base001 Cylinder Base Gaskets
  • 2 GSK-Head715 Cylinder Head Gaskets
  • 2 VC-Gasket426OE Valve Cover Gaskets
  • 4 Cyl-Oring141 Cylinder Base O Ring
  • 4 PushRodSeal995 Push Rod Seals
These gaskets match the Siebenrock Gasket Kit # 1100426
Kit Installation

Related Products
Valve Cover Gasket - BMW Airhead; 11 12 1 338 426 / EnDuraLast Cylinder Base Gasket - BMW Airhead Models; 11 11 1 255 001 / EnDuraLast Cylinder Head Gasket - BMW R100; 11 12 1 338 715 / EnDuraLast Push Rod Seal 17mm ID - BMW Airheads; 11 32 1 262 995 / EnDuraLast
USD Price $5.50

USD Price $3.99

USD Price $10.55

USD Price $2.50

S410068015001,11 12 1 338 426,11121338426,valve cover gasket,valve cover,valve gasket set,bmw valve cover gasket,airhead valve cover gasket,R24 valve cover gasket,R25 valve cover gasket,R26 valve cover gasket,R27 valve cover gasket,R45 valve cover gasket, 19117,11 11 1 255 001,11111255001,R50 cylinder base gasket,R60 cylinder base gasket,R75 cylinder base gasket,R90 cylinder base gasket,R50 cylinder gasket,R60 cylinder gasket,R75 cylinder gasket,R90 cylinder gasket 11715,11 12 1 338 715,11121338715,R80head gasket,R80cylinder head gasket,R100 cylinder head gasket,R100head gasket 11 32 1 262 995,11321262995,R60 pushrod seal,R75 pushrod seal,R80 pushrod seal,R90 pushrod seal,R100 pushrod seal,R60 pushrod tappet seal,R75 pushrod tappet seal,R80 pushrod tappet seal,R90 pushrod tappet seal,R100 pushrod tappet seal