40 Years of Siebenrock – A Heartfelt Thank You!

 

Since 1985, the name Siebenrock has stood for quality, technical expertise, and genuine passion for classic BMW motorcycles.
Our success is built on continuous development, solid engineering knowledge,

and the ambition to create products that impress with functionality and durability.

  

A major milestone – and one we’d love to celebrate with you!

 

From July 4 to 16, 2025, enjoy a special anniversary discount on selected Siebenrock items in our online shop – it’s worth a look!

 

Or come see us in person at the BMW Motorrad Days in Garmisch-PartenkirchenJuly 4–6, 2025.

Visit our stand and receive an exclusive anniversary gift – a little surprise from us to you!

 

 Your Siebenrock Team

 

While supplies last.

 

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Categories

Piston
Siebenrock Power Kit 860cc

BMW R 45 models and R 65 with 27hp/20KW

Artikelbild
€229.00

Prices incl. VAT, plus shipping costs

Ready to ship today, Delivery time appr. 2-4 workdays within Germany

  • 1100867
One piston complete with gudgeon-pin and circlips. Top quality. Small production runs. Made in... more
Piston
Siebenrock Power Kit 860cc
One piston complete with gudgeon-pin and circlips.

Top quality.
Small production runs.
Made in Italy.

Siebenrock product.
Each original Siebenrock product bears this seal that guarantees the highest quality possible, consistently optimized down to the last detail.

Please specify the cylinder identification A, B or AB in the comments field when ordering. You will find this as a marking on the sealing surface of the cylinder.

TIP
Matching piston rings article no. 1125399.

Price per piece.

Spare part for the classic BMW 2v Boxer models
R 45, R 65, R 65GS.

Information on product safety
Fits for BMW R2V: R 45 up to 84, R 65 up to 84, R 65GS 87-92
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Artikelbild Piston Ring Set
1000cc / 860cc
BMW 2V Boxer models
€37.95
Prices incl. VAT, plus shipping costs
Part no. 1125399
NEW
1372654_1 Intake rubber carburetor
D=42mm/52mm
BMW 2-valve Boxer models

€9.99 €12.90
Prices incl. VAT, plus shipping costs
Part no. 1372654
Artikelbild Piston ring Set
98mm "MAHLE"
For Big Bore Kit piston
€89.00
Prices incl. VAT, plus shipping costs
Part no. 1109033
Artikelbild Cylinder. Left side
Siebenrock Power Kit 860cc
BMW R 45 and R 65 models from 9/1980 on
€315.00
Prices incl. VAT, plus shipping costs
Part no. 1100865L
Artikelbild Piston
Siebenrock Power Kit 860cc
BMW R 65, R 65 Monolever
€229.00
Prices incl. VAT, plus shipping costs
Part no. 1100877
Artikelbild Conrod
Siebenrock Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild O-Ring seal cylinder base
BMW 2V Boxer models
Small
€1.10
Prices incl. VAT, plus shipping costs
Part no. 1111141
Artikelbild Paper gasket
For rear drive shaft housing
BMW2v Boxer models up to 9/84
€2.70
Prices incl. VAT, plus shipping costs
Part no. 3311098
Artikelbild Carb gasket Set
BING carburator 64/26, 64/28, 64/32, 94/40
for 2 carburator
BMW 2-valve Boxer models

€99.50
Prices incl. VAT, plus shipping costs
Part no. 1311051
Artikelbild Power Kit 860cc
Plug & Play
BMW R 45 from 9/80, R 65GS, R 65 Monolever 27hp
€888.00 €1,069.00
Prices incl. VAT, plus shipping costs
Part no. 1100860
Artikelbild Piston
Big Bore Kit "MAHLE"
BMW R 100 models
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109022
Artikelbild Power Kit 860cc
Plug & Play
BMW R 45 up to 9/80
€1,096.00
Prices incl. VAT, plus shipping costs
Part no. 1100861
Artikelbild Power Kit 860cc
Plug & Play
BMW R 65 9/80 on, R 65LS, R 65 Monolever 48hp
€888.00 €1,069.00
Prices incl. VAT, plus shipping costs
Part no. 1100870
1100103_1 Replacement Kit Extra 1000cc
Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 09/180 on
€1,139.00
Prices incl. VAT, plus shipping costs
Part no. 1100103
Artikelbild Piston
Siebenrock Power Kit 860cc
BMW R 65, R 65 Monolever
€229.00
Prices incl. VAT, plus shipping costs
Part no. 1100877
Artikelbild Replacement Kit Extra 1000cc
99mm Plug & Play
BMW R 100/7, R 100S, R 100RS, R 100RT
Up to 9/1980
€1,159.00
Prices incl. VAT, plus shipping costs
Part no. 1100105
Artikelbild Power Kit Extra 1000cc
Stainless steel push rod tubes
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€999.00 €1,139.00
Prices incl. VAT, plus shipping costs
Part no. 1100082
Artikelbild Valve cover Extra
BMW 2v Boxer models
External Screws
€55.00 €65.00
Prices incl. VAT, plus shipping costs
Part no. 1112241
BMW R 80ST BMW R 80ST
€4,900.00
NEW
1109222_1 Piston "S"
Big Bore Kit "S"
BMW R 100 models
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109222
NEW
1101210_1 Big Bore Kit 1070cc "S" Touring
BMW R 100 models from 9/80 on
Conrods 150,5mm
€2,222.00 €2,650.00
Prices incl. VAT, plus shipping costs
Part no. 1101210
NEW
1101200_1 Big Bore Kit 1070cc "S"
BMW R 100 models from 9/80 on
Conrods 151,0 mm
€2,590.00
Prices incl. VAT, plus shipping costs
Part no. 1101200
Artikelbild Camshaft asymmetric
BMW R 45, R 65 models
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131180
Artikelbild Oil cooler Kit
BMW 2v Boxer models
Centered position
€469.00
Prices incl. VAT, plus shipping costs
Part no. 1142400
Artikelbild Power Kit 1000cc
Plug & Play
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€888.00 €1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100080
Artikelbild Conrod screw
ARP Racing
Siebenrock Big Bore Kit
€69.00
Prices incl. VAT, plus shipping costs
Part no. 1109004
Artikelbild Cylinder with stud bolts
From 750cc on up to 9/1980
Power Kit 1000cc, Replacement Kit 1000cc, and BMW 2v models
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1100111
Artikelbild Replacement Kit 1000cc
Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 9/1980 on
€1,049.00
Prices incl. VAT, plus shipping costs
Part no. 1100100
Artikelbild Valve cover Enduro Classic
BMW 2v Boxer models
€79.80
Prices incl. VAT, plus shipping costs
Part no. 1112260
Artikelbild Valve cover Classic
BMW 2-valve Boxer models
€44.00 €49.75
Prices incl. VAT, plus shipping costs
Part no. 1112240
Artikelbild Valve cover Bracket
BMW 2v Boxer models
€47.95
Prices incl. VAT, plus shipping costs
Part no. 1112270
Artikelbild Fuel filler cap 101 style
BMW 2v Boxer models
€169.00
Prices incl. VAT, plus shipping costs
Part no. 5125119S
NEW
3411068_1 Brake disc Mono Right side
Floating
BMW Monolever with double disc
€169.00 €219.00
Prices incl. VAT, plus shipping costs
Part no. 3411068
NEW
Artikelbild Bearing shell conrod
+0,02 Standard sized
BMW 2V Boxer models
€12.50
Prices incl. VAT, plus shipping costs
Part no. 1124461
NEW
3421233_1 Brakemaster cylinder
Repair kit
BMW R 100 models
Rear
€44.95
Prices incl. VAT, plus shipping costs
Part no. 3421233
NEW
3431927_1 Repair kit Brakemaster cylinder 17mm
BMW R 90S, R 80/7, R 100 models

€109.00
Prices incl. VAT, plus shipping costs
Part no. 3431927
Artikelbild Valve Intake
34mm
BMW R 50/5
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134118
Artikelbild Tension springs Set
Oil pan distance ring
BMW 2v Boxer models
€18.50
Prices incl. VAT, plus shipping costs
Part no. 1113103
1131183_1 Chain tensioner Set
Simplex
BMW 2V Boxer models
€89.50
Prices incl. VAT, plus shipping costs
Part no. 1131183
Artikelbild Repair sleeve Float needle valve
BING Vergaser 64/32, 94/40
from 9/80
BMW 2-valve Boxer models
€3.99
Prices incl. VAT, plus shipping costs
Part no. 1311772
Artikelbild Valve keeper
BMW R 45, R 65 models
€1.95
Prices incl. VAT, plus shipping costs
Part no. 1134136
Artikelbild Pushrod tube seal
18mm
BMW 2v Boxer models from 9/75 on
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1132995
Artikelbild Pushrod tube seal
BMW R 45 and R 65 models
€4.95
Prices incl. VAT, plus shipping costs
Part no. 1111090
Artikelbild Oilfilter cover for oil cooler CNC
BMW 2v Boxer models
Two connecting ports
€54.60
Prices incl. VAT, plus shipping costs
Part no. 1142512
Artikelbild Oil thermostat
BMW 2V Boxer models
€198.00
Prices incl. VAT, plus shipping costs
Part no. 1142301
Artikelbild Conrod
Sieenrock Big Bore Kit Touring
150,5 mm
€309.00
Prices incl. VAT, plus shipping costs
Part no. 1109044
Artikelbild Conrod
Siebenrock Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild Silencer Set
38mm Chrome
BMW /6 und /7 models

€398.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
Artikelbild Cylinder
Big Bore Kit "MAHLE"
98mm
€459.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
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