Optimized full cheek racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds / mopeds with a 1-speed E50 engine.
In addition to the balancing holes in the cheeks, the lower connecting rod pin has also been sealed with an aluminum insert for maximum pre-compression in the new 2023 version.
The polished connecting rod also ensures optimum flow behavior of the air/gasoline mixture.
Additional lubrication slots on the connecting rod ensure clean running even at high engine speeds.
Dimensions of the crankshaft:
Total length of clutch-side crankpin: 74 mm
Total length of clutch-side crankpin: 67 mm
Length 1. Heel (clutch side): 9 mm
Length 2nd heel (clutch side) 14.5 mm
Length 3rd heel (clutch side) 25 mm
Ø 1st heel (clutch side): 22 mm
Ø 2nd shoulder (clutch side): 17 mm
Ø 3rd shoulder (clutch side): 15 mm
Thread (coupling side): MF10x1 mm
Length of shoulder (on coupling side): 26.3 mm
Ø shoulder (on coupling side): 17 mm
Thread (on end face): MF10x1 mm
Ø Crank webs: 69.9 mm
Width crank webs: 34 mm
Ø Connecting rod eye top: 15 mm
Ø Connecting rod pin bottom: 16 mm
Conrod length (center-center): 90 mm
Stroke: 43 mm
Weight (including connecting rod). Connecting rod): 975 grams
Needle bearing dimension: Ø 12 / 15 x 14.7 mm (axe 12)
Notes: Depending on the manufacturing tolerances, the keyway may not be milled deep enough for the driver key. The wedge must be adjusted accordingly.
The clutch nut must be tightened to a maximum torque of 28 Nm.
You can find the right bearings and oil seals in the accessories section.
Quality product from the Portuguese manufacturer Rito.
Alternative to the Puch spare part number: 349.1.10.015.0
| Manufacturer | Rito |
| Material | Steel, Aluminum |
| Area of application | Tuning, Racing |
| Cheek type | Full cheeks |
| Weight | 975 g |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Connecting rod length center-center | 90 mm |
| Total length of crankpin on clutch side | 74 mm |
| Number of gears | 1 pcs |
| Total length crankpin ignition side | 67 mm |
| Ø crank webs | 69.9 mm |
| Ø Connecting rod eye | 15 mm |
| Thread length | 10.5 mm, 12.5 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 15 x 14.7 mm (axe 12) |
| Length 1st paragraph | 9 mm |
| Length 2nd paragraph | 14.5 mm |
| Length 3rd paragraph | 25 mm |
| Ø 1st step (on the coupling side) | 22 mm |
| Ø 2nd shoulder (on the clutch side) | 17 mm |
| Ø 3rd step (on the clutch side) | 15 mm |
| Length of shoulder (ignition side) | 26.3 mm |
| Alternative version of the Puch OEM number | 349.1.10.015.0 |
| Puch | E50 |
Ratings
Accessories & related products
Hot 
swiing® ingenious crankshaft "High End" with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Thread length: 11 mm · Thread length: 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Length 3rd paragraph: 25 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Length of shoulder (ignition side): 26.3 mm · Weight: 968 g · Number of gears: 1 pcs · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 217.00
Not in stock
swiing® ingenious crankshaft "High End" | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Thread length: 11 mm · Thread length: 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Length 3rd paragraph: 25 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Weight: 968 g · Number of gears: 1 pcs · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 165.10
swiing® ingenious crankshaft set "High End" (+1 mm stroke) | Puch E50
Manufacturer: swiing® ingenious parts · Cheek type: Full cheeks · Crankshaft stroke: 44 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Weight: 970 g · Number of gears: 1 pcs · Area of application: High End
EUR 229.00
swiing® ingenious crankshaft "High End" C3/4 & FPM (+1 mm stroke) | Puch E50
Manufacturer: swiing® ingenious parts · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 44 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Thread length: 11 mm · Thread length: 15 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Length of shoulder (ignition side): 26.3 mm · Weight: 970 g · Number of gears: 1 pcs · Area of application: High End
EUR 277.30
Rito crankshaft full cheeks with mounted bearings | Puch E50
Manufacturer: Rito · Area of application: High End · Cheek type: Full cheeks · Material: Steel · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Thread type: MF10x1 (fine pitch thread) · Thread length: 10 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Ø Connecting rod eye: 15 mm · Ø piston pin (B): 12 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Dimension needle bearing: 12 / 15 x 14.2 (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Length 3rd paragraph: 25 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Length of shoulder (ignition side): 26.6 mm
EUR 241.10
Explore categories from Engine block
Moped fans also bought
swiing® ingenious clutch springs reinforced (+20%) | Puch E50
Spring design: Pressure spring · Ø wire: 1.7 mm · Ø inside: 4.8 mm · Ø outside: 8.3 mm · Total length: 28 mm · Color: blue · Manufacturer: swiing® ingenious parts · Number of components: 3 pcs · Material: Spring steel · Surface: coated · Area of application: Tuning
EUR 21.60
Hot
GPO 44 mm cylinder head | Puch Maxi S, N / X30 NS, NL, N-2AH
Width: 125 mm · Height: 55 mm · Total length: 135 mm · Manufacturer: GPO · Material: Aluminum · Area of application: Tuning · Camouflaged: Yes · Surface: sandblasted · Ø cylinder: 44 mm · Number of fixing points: 4 pcs · Candle thread: short · Hole pattern [mm]: 44 x 44 · Decompressor: No
EUR 51.80
Hot
swiing® ingenious 15 mm carburetor camouflaged | Puch
Manufacturer: swiing® ingenious parts · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: SRE · Mounting type: Plug connection clamped · Nominal diameter: 15 mm · Total length: 66 mm · Width: 50 mm · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Height: 95 mm · Ø Air filter connection: 20 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Area of application: Tuning · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m · Puch OEM number: 349.1.15.100.0 · Puch OEM number: 349.2.15.800.0 · Puch OEM number: 349.4.15.500.0 · Puch OEM number: 349.4.15.000.0 · Puch OEM number: 349.4.15.300.0 · Puch OEM number: 349.6.15.400.0 · Puch OEM number: 349.7.15.700.0 · Puch OEM number: 349.8.15.400.0 · Puch OEM number: 349.9.15.300.0
EUR 96.40
Oil seal FPM 17/40/7 DUO | Puch E50
Temperature resistance (min.): -30 - 200 °C · Shaft seal type: A DUO - With rubberized outer casing / two sealing lips. · Manufacturer: Puch · Area of application: Standard · Material: FPM / FKM (colloquially known as Viton) · Surface: rubberized · Ø inside: 17 mm · Width: 7 mm · Ø outside: 40 mm
EUR 11.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
