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Crankshaft -MAZZUCCHELLI RACING (reed valve intake) full circle web, 54mm stroke, 105mm conrod- Vespa PK125 XL2, PK125 ETS (Ø=24mm cone)
Part no.:
1610012
Description
Shaft with 3 mm stroke for the extra bump in all smallframe motors.
These are solid cheek shafts to increase pre-compression. The connecting rod has a length of 105 mm (standard 97 mm). The 8 mm difference is usually compensated with a spacer under the cylinder base, which does not lead to any change in timing. The 3 mm more stroke of the shaft can be divided between the head and foot gaskets according to the desired engine characteristics. All in all a very good way to influence the cylinder characteristics as desired.
The connecting rod makes a solid impression. The lower bearing is very robust thanks to a silver cage. Especially with direct intake cylinders with an appropriate speed baffle, a sufficient oil/petrol mixture ratio should be ensured for lubricating the bearing.
In order to be able to install the shaft, the housing must be spindled accordingly. The cheeks have a larger diameter in order to be able to realize the additional stroke.
AI-translation
These are solid cheek shafts to increase pre-compression. The connecting rod has a length of 105 mm (standard 97 mm). The 8 mm difference is usually compensated with a spacer under the cylinder base, which does not lead to any change in timing. The 3 mm more stroke of the shaft can be divided between the head and foot gaskets according to the desired engine characteristics. All in all a very good way to influence the cylinder characteristics as desired.
The connecting rod makes a solid impression. The lower bearing is very robust thanks to a silver cage. Especially with direct intake cylinders with an appropriate speed baffle, a sufficient oil/petrol mixture ratio should be ensured for lubricating the bearing.
In order to be able to install the shaft, the housing must be spindled accordingly. The cheeks have a larger diameter in order to be able to realize the additional stroke.
AI-translation
€245.00 *
incl. VAT plus shipping costs
Available immediately (delivery time 1-3 working days*)
P
For this item you get
fidelity point/s
| Bearings | |
|---|---|
| sizes: | 15x19x20mm |
| Gudgeon pins | |
| diameter: | 15 mm |
| Crankshafts | |
| stroke: | 54 mm |
| thread rotor side: | M12x1,25 right-hand thread |
| thread drive side: | M10x1,5 right-hand thread |
| diameter crankwebs: | 87 mm |
| width crankwebs: | 34.8 mm |
| diameter bearing seat rotor side: | 25 mm |
| diameter bearing seat drive side: | 17 mm |
| diameter oil seal seat rotor side: | 24 mm |
| diameter oil seal seat drive side: | 22.7 mm |
| full circle crankshaft: | |
| filling material for full circle: | steel |
| material balancing weights: | Pertinax |
| rotary valve crankshaft: | |
| crankcase has to be milled: | |
| engine casing has to be modified: | |
| Connecting rods | |
| length connecting rod: | 105 mm |
| thickness connecting rod: | 4.7 mm |
| diameter small end connecting rod eye: | 19 mm |
| lubricating hole at small end bearing: | no |
| diameter crankpin: | 20 mm |
| lubricating hole at crankpin bearing: | notch |
| crankpin shims: | yes |
| Customers alternatively searched for | |
|---|---|
| Kurbelwelle | Krukas | Vilebrequin | Cigüeñal | Albero | Crankshaft | Crank | Albero Motore | De círculo completo | | |
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