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Adaptor engine swing-arm pivot,

for Vespa 125 V1-33/VM/ACMA
M10 mm, stainless steel/V2A,
for mounting PX 200 engine
into wideframe chassis

When we refer to “Wideframe” VESPA models we mean the VESPA 125 V1-33/VM/VN/ 150 VL/VB1/VD/VGL1. Original wideframe VESPAs are not really suited to long distance travel due to their lack of a descent top or cruising speed. To make it worse they are not so easy to tune either. The much simpler solution is to fit a PX or T5 motor along with the obvious advantages of a modern motor that an electric ignition and a possible 20-30 PS performance can provide. Higher cruising speeds and enduring reliability of all engine components is the welcome result.


In order to mount the PX motor successfully and inconspicuously within your wideframe VESPA we have an adaptor kit available in order to connect both the engine unit pivot and the PX suspension unit to the frame. According to model, modification to the frame may be necessary around the carburettor area, to the side panels and for motors with more than 125cc, next to the exhaust outlet stub. Make sure that the wheel fits properly and does not catch on the frame during assembly. If you wish to retain the 10'' PX wheel the front wheel assembly should also be changed to enable a 10'' to be used. There is a conversion kit available in case you want to mount an 8'' wheel to the PX motor. An electrical wiring harness conversion kit to upgrade to an electronic ignition is also available, new switches for the lights and rear brake pedal as well as a suitable voltage regulator unit will also be necessary.


Before ordering, please check whether a motor adapter for M10 or M12 engine bolts is needed!


For the adapters also a threaded rod for fastening the adapter in the frame is needed (M10 or M12) !


Conclusion: The most common and effective wideframe conversion to escape slowness.


SIP-TIP: To make the PX motor even more unobtrusive within a vintage frame please consider our “PX vintage line” range of products.


SIP community user 'johnnyreggae': 'cool stuff'


Attention: Adapter with the Item code 63003400 + 63003500 are only suitable for 200cc PX engine/ crankcase!

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This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
78245100 $692.83
78245000 $643.28
57144930 $981.26
63003110 $127.86
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63003110 $127.86
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Chassis & Wide Tyre Conversion

This item is in stock in sufficient quantity.

1,522g / piece
Stock on hand   Amount


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
VESPA 125 125 VM1-2T 2T AC `52-`54
VESPA 125 125 V30-33 2T AC `51-`53
VESPA 125 125 V1-15T 2T AC `48-`50
VESPA 125 ACMA 125 2T AC `51-`55 bis 1953
VESPA Hoffmann A/B 125 - 2T AC `50-`53
VESPA Hoffmann C 125 - 2T AC `54
VESPA Hoffmann M24 Königin 125 - 2T AC `54-`55

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