Full cheek crankshaft suitable for Sachs 50/3 and 50/4 3 and 4-speed LKH engines
High-quality and precisely fitting racing crankshaft, which has proven itself in various load tests up to 19,000 rpm.
The large balancing holes in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
Dimensions of the crankshaft:
- Total length of clutch-side crankpin: 43.2 mm
- Total length of clutch-side crankpin: 69.7 mm
- Length of 1st shoulder (clutch-side): 21 mm
- Length 2nd shoulder (clutch side) 13.7 mm
- Ø 1st shoulder (clutch side): 17 mm
- Ø 2nd heel (clutch side): 12 mm
- Thread (coupling side): MF10x1 mm
- Length of shoulder (on coupling side): 29.6 mm
- Ø shoulder (on end face): 17 mm
- Thread (on end face): MF10x1 mm
- Ø crank webs: 85 mm
- Width crank webs: 29.9 mm
- Ø connecting rod eye top: 16 mm
- Ø connecting rod pin bottom: 16 mm
- Length of connecting rod (center-to-center): 85 mm
- Stroke: 42 mm
- Weight (incl. connecting rod): 1024 grams
- Dimension needle bearing: Ø 12 / 16 x 15.8 mm (axe 12)
Note: Difference to the Sachs 50/2 crankshaft: the diameter of the cheek journals is larger (L17 bearings must be used).
Quality product from the Portuguese manufacturer Rito.
| Manufacturer | Rito |
| Material | Steel |
| Cheek type | Full cheeks |
| Crankshaft stroke | 42 mm |
| Connecting rod length center-center | 85 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Total length of crankpin on clutch side | 43 mm |
| Number of gears | 3 pcs, 4 pcs |
| Total length crankpin ignition side | 70.6 mm |
| Ø crank webs | 85 mm |
| Thread length | 8 mm, 12 mm |
| Ø Connecting rod eye | 16 mm |
| Weight | 1024 g |
| Ø piston pin (B) | 12 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 16 x 15.8 mm (axe 12) |
| Wide crank webs | 29.9 mm |
| Length 1st paragraph | 21 mm |
| Length 2nd paragraph | 13.7 mm |
| Ø 1st step (on the coupling side) | 17 mm |
| Area of application | Racing, High End |
| Ø 2nd shoulder (on the clutch side) | 12 mm |
| Length of shoulder (ignition side) | 29.6 mm |
| Sachs | 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) |
Ratings
Accessories & related products
swiing® ingenious puller L17 / BO15 / E15 shoulder bearing
Width across flats trigger: 8 mm · Width across flats trigger: 19 mm · Span: 24 mm · Manufacturer: swiing® ingenious parts · Clamping depth: 10 mm · Number of components: 1 pcs · Peel-off tray: BO15 · Peel-off tray: E15 · Peel-off tray: L17 · Area of application: (Dis)assembly tool · Diameter: 24 mm · Diameter: 40.3 mm · Total length: 120 mm · Surface: galvanized (blue) · Thread type: M6x1 (standard thread) · Thread type: M8x1.25 (standard thread)
50,20 EUR
Explore categories from Engine block
Moped fans also bought
NSK L17 shoulder ball bearing
Bearing cage: Brass cage ball-guided · Inner ring width: 10 mm · Manufacturer: NSK · Bearing clearance: CN (standard) · Material: Brass · Material: Steel · Surface: blank / oiled · Stock number: L17 · Area of application: Standard · Bearing type: Shoulder bearing · Ø outside: 40 mm · Ø inside: 17 mm · Width: 10 mm · Ball bearing closed: No
22,30 EUR
Oil seal NBR 17/30/7 B DUO crankshaft | Sachs 50/3, 50/4
Shaft seal type: B DUO - With sheet metal outer casing / two sealing lips. · Manufacturer: Sachs · Place of use: Crankshaft · Material: NBR · Ø outside: 30 mm · Ø inside: 17 mm · Width: 7 mm · Temperature resistance (min.): -30 - 100 °C
6,75 EUR
Shaft seal set 3 & 4-speed kickstarter | Sachs
Ø inside: 10 mm · Ø inside: 13.8 mm · Ø inside: 14.96 mm · Ø inside: 15 mm · Ø inside: 17 mm · Width: 2.5 mm · Width: 3.5 mm · Width: 4 mm · Width: 4.5 mm · Width: 7 mm · Ø outside: 16 mm · Ø outside: 19 mm · Ø outside: 24 mm · Ø outside: 30 mm · Ø outside: 31.5 mm
37,60 EUR
swiing® revival gasket 0.4 mm gearbox cover | Sachs 502, 50/2, 50/3, 50/4 (A1827)
Manufacturer: swiing® revival parts · Material: Sealing paper · Color: sand-colored · Width: 130 mm · Thickness: 0.4 mm · Number of components: 1 pcs · Total length: 210 mm · Number of fixing points: 5 pcs · Pony OEM number: A1827 · Sachs OEM no.: 0250 087 100
6,75 EUR
swiing® revival engine seal | Sachs 502, 50/2, 50/3, 50/4 (A1828)
Manufacturer: swiing® revival parts · Material: Sealing paper · Color: sand-colored · Total length: 250 mm · Width: 170 mm · Thickness: 0.4 mm · Ø inside: 86 mm · Number of fixing points: 16 pcs · Number of components: 1 pcs · Pony OEM number: A1828 · Sachs OEM no.: 0250 088 100
6,75 EUR
swiing® revival clutch plates (2 pcs.) | Sachs 50/2, 503 2AL/2BL (A3887)
Material: Composite materials · Material: Steel · Manufacturer: swiing® revival parts · Area of application: Standard · Ø outside: 93.7 mm · Recording type: Interlocking · Ø inside: 29.7 mm · Ø inside: 36 mm · Number of slats: 2 pcs · Thickness: 3.3 mm · Pony OEM number: A3887 · Sachs OEM no.: 0659 010 006
30,30 EUR
GPO piston 40.94 mm | Sachs 502, 50/2, 50/3, 50/4
Nominal diameter: 41 mm · Manufacturer: GPO · Thick piston ring: 1.8 mm · Ø outside piston (A): 40.94 mm · Compression height (C): 28 mm · Curvature (D): 3.2 mm · Total piston height (E): 49.4 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight piston kit: 86 g
45,60 EUR
Not in stock
swiing® revival ball bearing countershaft | Sachs 50/2, 50/3, 50/4, 503 2AL/2BL (A2531)
Bearing type: Deep groove ball bearing · Stock number: E15 · Ø inside: 15 mm · Ø outside: 35 mm · Width: 8 mm · Inner ring width: 25.6 mm · Manufacturer: swiing® revival parts · Bearing clearance: CN (standard) · Bearing cage: Sheet steel cage ball-guided · Thread type: MF20.8x1 LH (fine/left-hand thread) · Material: Steel · Area of application: High End · Area of application: Standard · Pony OEM number: A2531 · Sachs OEM no.: 0286 079 105
57,10 EUR
Collection only possible with online purchase and appointment.
