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Long Stroke Crankshaft SERIE

PRO by Worb5 for Vespa T5
disc valve, stroke 56,5mm, conrod 110,0mm,
pin 16mm

The T5 long stroke, flowed crankshafts are manufactured by WORB5 on the basis of a new standard crankshaft in small batch production. The crankshaft provides the rev eager T5 with additional power at low and medium revs. The crankshaft has a 56.5 mm stroke (instead of 52 mm) and a 110 mm connecting rod (instead of 105 mm). The lower piston boss is slit for improved lubrication. The crankshaft comes with a 6 mm aluminium base spacer (which needs modification to match with the engine’s transfer ports). The crankshafts are ‘gelippt’ (=flowed) according to current tuning standards. Check the ignition’s firing point (17° before TDC). A squish of around 1 - 1.5 mm goes well with a geometric compression of 1:10 - 1:11. Use multiple head gaskets and/or skim head.

Conclusion: Perfect for all T5 riders, who are not satisfied with standard solutions.


Long stroke flowed crankshaft / stroke 56.5 / M12

Long stroke flowed crankshaft, with ø 95 mm crankweb (flywheel side), ø 97.9 mm crankweb (disc valve side), balanced at 12 o'clock, lower connecting rod bearing = silver bearing, 110 mm connecting rod, 56.5 mm stroke, stump cone with M12 thread, incl. connecting rod bearing.


SIP-TIP: Adjust ignition and jetting.

Customers also searched for this article with:  long stroke crankcase

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2,400g / piece
Stock on hand   Amount
Est. date of delivery 2/5/2016
Daily arrival expected.

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icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA T5 / Elestart 125 VNX5T 2T AC `85-`90 w/o separate lubrication
VESPA T5 Classic 125 VNX5T 2T AC `92-`95 w/o separate lubrication

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