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Crankshaft -BGM Pro RACING (for reed valve intake) full circle web, 54mm stroke, 105mm conrod- Vespa PK125 XL2, PK125 ETS (Ø=24mm cone)

7673152
€149.00 *

incl. VAT plus shipping costs

In stock: can be delivered or picked up in the store
P For this item you get fidelity point/s
The 54 mm stroked version of our BGM crankshafts is the maximum and perfectly suited for the ESC...Continue reading

Description


The 54 mm stroked version of our BGM crankshafts is the maximum and perfectly suited for the ESC racing series or ambitioned road riding. The larger diameter of the crank webs support a larger overlap for the big end bearings. This allows additional safety against the crank twisting.

In order to fit the larger diameter crank webs (87 mm on the flywheel side and 86 mm on the drive side) you have to machine the casings to 88 mm.

The next innovative feature is the piston rod length which has been increased to 105 mm (8 mm longer than on standard 125 cc Smallframe cranks).

The crank is a perfect fit to some of the latest Smallframe tuning kits that are designed to be run with this sort of piston rod.

An easy way to use it with every other barrel available, is to fit the 8 mm bgm spacer (BGM0223) and longer cylinder stuts (BGM 0290). Also available as complete kit (7673184)

This results in better power and reduced primary compression, which works well with the modern day exhausts, such as the ones made by manufacturer Ludwig and Scherer, as the port transfers at the casing can be improved and the flow optimized.

-strong crank webs

-less twisting danger

-optimized flow

-higher primary compression

-less stress to piston and bearings

 

Fits the following vehicles


  • Vespa (Piaggio) P 125 ETS (VMS1T)
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Ratings


30 Jan 2018

bon produit

20 Mar 2016

Preis/Leistung IO TOP Produkt !

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