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Long Stroke Crankshaft PINASCO

2°/TS 2°/150 Sprint V 2°
/Super 2°/P125-150X/PX125
-150 E/Lusso/MY/Cosa
disc valve, stroke 60,0mm, conrod 105,0mm,
pin 15mm, valve timing: 141°
/0° post TDC
con-rod eye with additional
oil holes, finely balanced

More stroke allows more cubic capacity, which in turn, means more power. That's why most 200cc motors, whether race or road tuned, turn to long stroke crankshafts. To balance out stroke increase, spacers are set in either at the cylinder base or head. It's also a simple way to play around with timing.


With long stroke crankshafts, the stroke pivot is further from the crankcase axel: with 60 mm shafts, 1.5 mm. The additional 1.5 mm pushes over the top and lower dead center. To keep the piston from touching the cylinder head, cylinder head/base spacers can be installed or suitable SIP/MMW cylinder heads can be used. Timing changes in any case. Depending on type of race cylinder, there are several favored combinations which we've put together for you in the technical department.


For the MALOSSI 210cc, the following applies:

1.5 mm base compensation: wide rpm range and high PS, lowered torque coupled with late and sudden acceleration.

1.5 mm head compensation: hefty torque and free wheelies in lower rpm's, lower top speeds. This is SIP's favorite touring combination, especially when coupled with a longer transmission.


PINASCO long stroke crankshafts have aerodynamically adapted and polished crankwebs. In terms of the timing it is between the shafts from MAZZUCHELLI and POLINI. The conrod, which is forged and polished to high quality, features PINASCO lettering and silver bearings. To ensure its optimum lubrication it is also fitted with additional lubrication bores/slots. The crankwebs are also designed in the maximum width, and therefore optimally seal the disc valve on both the flywheel and the clutch side. With the Competizione long stroke crankshaft (stroke 62.00mm), PINASCO is also offering a sporty shaft with sharper timings, an aerodynamically optimised surface, Wolfram balances, and innovative PTFE inlays which provide a higher compression at lower revs. Perfect for potent touring or racing set-ups!


Conclusion: A perfect basis for powerful torque touring motors or rpm hefty PS monsters. For those wanting more, we suggest long stroke flowed shafts.


Long stroke crankshaft / stroke 60 mm / connecting rod 105-110 / 24/25 mm, M12

Long stroke crankshaft, with ø 95 mm (flywheel side), ø 97.9 mm crankweb (disc valve side), partially balanced at 12 o'clock, lower connecting rod bearing = silver bearing, 105 mm connecting rod (125/150 cc) or 110 mm connecting rod (200 cc), 60 mm stroke, oil seal housing 24 mm, bearing housing 25 mm, stump cone with M12 thread, incl. connecting rod bearing.


SIP-TIP: SIP/MMW long stroke head, MALOSSI 210cc and SIP Road exhaust for touring set up, 1.5 mm base gasket, SIP Performance/RZ/DSE exhaust, MALOSSI or POLINI, 28-30 mm carburetor as basics for sport set up. Try out a variety of base/head gaskets to find the right one for your needs.


The timings stated above were determined viewing in the direction of the clutch side. That means: "138°/6° after TDC: Inlet timing begins 6° after TDC and stays open for 138°.

Please note that the angular degrees given here are approximate values, as the crankshafts are reworked by hand.


OEM Numbers (for the purpose of comparison)  25081826 26081826 (PINASCO)

Customers also searched for this article with:  long stroke crankcase

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Product forums
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
LML Star 125 2T/ DLX / Via Toscana / Deluxe 125 2T AC
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150 2T AC
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 GTR 125 VNL2T 2T AC `68-`78 145901 ->
VESPA 125 TS 125 VNL3T 2T AC `75-`78 18139 ->
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79 294260 ->
VESPA 150 Super 150 VBC1T 2T AC `65-`79 412374 ->
VESPA COSA 1 150 VLR1T 2T AC `87-`90
VESPA COSA 1 125 VNR1T 2T AC `88-`91
VESPA COSA 2 150 VLR2T 2T AC `91-
VESPA COSA 2 125 VNR2T 2T AC `91-
VESPA P125X 125 VNX1T 2T AC `77-`82
VESPA P150 S 150 VBX1T 2T AC `78-`90
VESPA P150X / PX150 E 150 VLX1T 2T AC `78-`85
VESPA PX125 2011/ 30 Jahre 125 ZAPM74100 2T AC `11-
VESPA PX125 CAT 125 ZAPM50100 2T AC `07-
VESPA PX125 E 125 VNX2T 2T AC `81-`83
VESPA PX125 E `98 / Millenium 125 VNX1T 2T AC `98-`05
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 VNX2T 2T AC `83-`97
VESPA PX150 2011 150 ZAPM74200 2T AC `11-
VESPA PX150 E `98 / Millenium 150 VLX1T 2T AC `98
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97

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