70 kit

chrisscott · Two Stroke Sniffer Joined: 30 Oct 2008 Karma :

if i were to buy a 70 kit for my speedfigth 2 this kit :https://www.adrenalin-pedstop.co.uk/p/PEUGEOT-SPEEDFIGHTTREKKERVIVAC-153.aspx

would i need a new crankshaft ?

cheers.

Blue_SV650S · World Chat Champion Joined: 27 Nov 2008 Karma :

Its just a big-bore kit, you won't need a new crank, your good to go! Thumbs Up

It'll be designed to use the original stroke.

This said, putting a big bore kit on puts a lot more load/stress on the crank, so it will get more of a hammering and be more prone to premature failure .... but that is the game you play with trying to get more power by big boring a bike!! Wink

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chrisscott · Two Stroke Sniffer Joined: 30 Oct 2008 Karma :

okayy thanks Smile