Complete set:
High-end racing crankshaft suitable for Puch Maxi S / N, as well as Supermaxi LG1 mopeds with a 1-speed E50 engine.
This special crankshaft has 1 mm more stroke, the additional stroke gives your engine more torque and compression and thus tickles the last horsepower out of the cylinder.
High-quality and precisely fitting, 975 gram full cheek crankshaft, which has proven itself in various load tests. This was designed for use in engines with a large increase in power. All the balancing holes in the cheeks have been sealed with aluminum inserts for maximum pre-compression.
The solid connecting rod is fitted with a more stable 16 mm connecting rod pin, which is hollow on the inside for better balancing.
In addition, the connecting rod bearings are silver bearings, which have excellent emergency running properties.
The following points should be noted when using this crankshaft:
- The use of a 0.5 mm thick stroke plate is essential to compensate for the additional stroke. We also recommend using sealant between the seal and the housing/cylinder. You can also find a suitable sealant in the accessories section.
- When installing, observe the crushing edge dimension (distance piston - cylinder head at TDC). This should not be less than 1 mm.
- Due to the longer stroke, the pressure in the crankcase increases. For this reason, the oil seal on the crankshaft end should either be glued in with 2-component adhesive or secured with the retaining plate.
- Running in the crankshaft: Run the engine for 30 minutes under low load with a slightly richer mixture.
- When using 45 mm cylinder kits, depending on the model, pre-compressed air may enter the intake port through the holes in the piston.
Dimensions of the crankshaft:
- Total length of the clutch-side cheek pin: 74 mm
- Total length of the clutch-side cheek pin: 66 mm
- Ø 1st shoulder (clutch side): 22 mm
- Ø 2nd shoulder (coupling side): 17 mm
- Ø 3rd heel (clutch side): 15 mm
- Thread on coupling side: MF10x1 mm
- Ø Heel (coupling side): 17 mm
- Thread on Zündside: MF10x1 mm
- Ø Crank webs: 69.9 mm
- Width of crank webs: 34 mm
- Ø connecting rod eye top: 15 mm
- Ø connecting rod pin bottom: 16 mm
- Conrod length: 90 mm
- Stroke: 44 mm (+1 mm to original shaft)
- Weight (incl. connecting rod): 970 grams
- Lift: 44 mm (+1 mm to original shaft) . connecting rod): 970 grams
The set consists of crankshaft, retaining plate, sealant and a lifting plate of your choice.
The needle bearing (12/15 x14.2 mm) is included in the scope of delivery.
The matching bearings and oil seals can be found under accessories.
Revised version of the previously offered crankshaft with improved balancing ratio and thus better speed stability.
Exclusive product for the highest demands of the quality brand swiing®.
The set includes the following fixed parts:
Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Manufacturer: swiing® ingenious parts · Material: Steel, Aluminum · 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, 15 mm · 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: 970 g · Number of gears: 1 pcs · Area of application: High End
Manufacturer: Elring · Area of application: Chemistry · Contents [ml]: 70 ml · Color: green · Gap dimension (max.): 0.2 mm · Temperature resistance (min.): -55 - 250 °C
Manufacturer: MBR · Material: Chrome steel (stainless steel) · Surface: brushed · Color: silver · Ø inside: 25.3 mm · Ø outside: 89.4 mm · Number of fixing points: 4 pcs · Area of application: Tuning
Details
| Manufacturer | swiing® ingenious parts |
| Thread type | MF10x1 (fine pitch thread) |
| Area of application | High End |
| Cheek type | Full cheeks |
| Crankshaft stroke | 44 mm |
| Ø piston pin (B) | 12 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 Connecting rod eye | 15 mm |
| Ø Bearing seat (clutch side) | 17 mm |
| Ø Bearing seat (ignition side) | 17 mm |
| Dimension needle bearing | 12 / 15 x 14.2 mm (axe 12) |
| Wide crank webs | 34 mm |
| Weight | 970 g |
| Number of gears | 1 pcs |
Suitable for the following models
| Puch | E50 |
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Collection only possible with online purchase and appointment.
