canolman Joined Sep 25, 2013 Messages 369 Location canolbarth cymru Nov 4, 2015 #1 Has anyone used a lighter than stock gudgeon pin? Standard pin about 65g Elko piston around 260g, Anything lighter out there pin wise? Many thanks
Has anyone used a lighter than stock gudgeon pin? Standard pin about 65g Elko piston around 260g, Anything lighter out there pin wise? Many thanks
bushmechanic Joined Jun 13, 2007 Messages 3,871 Location south east WA Australia Nov 4, 2015 #2 see thread mongrel trailbike http://husaberg.org/mechanical/17998-bushmechanic-mongrel-628-trailbike-17.html CP pins and Wiseco pins at 20mm are 80gm oem pin in elko was closer to 72+ gm in mine wossner pin is slightly lighter but also longer IIRC titanium pin can be 40gm but expensive and not as stiff = shorter fatigue life you could get a wossner 8583 ktm 560/540 piston and machine it to your requirements
see thread mongrel trailbike http://husaberg.org/mechanical/17998-bushmechanic-mongrel-628-trailbike-17.html CP pins and Wiseco pins at 20mm are 80gm oem pin in elko was closer to 72+ gm in mine wossner pin is slightly lighter but also longer IIRC titanium pin can be 40gm but expensive and not as stiff = shorter fatigue life you could get a wossner 8583 ktm 560/540 piston and machine it to your requirements
canolman Joined Sep 25, 2013 Messages 369 Location canolbarth cymru Nov 5, 2015 #3 Hmm! I've looked at the 8583 before, at the moment I've got a new Elko to go in but I understand that my tuner will un- shroud the valves and remove all edges to get a better flow thus lowering the compression?
Hmm! I've looked at the 8583 before, at the moment I've got a new Elko to go in but I understand that my tuner will un- shroud the valves and remove all edges to get a better flow thus lowering the compression?
bushmechanic Joined Jun 13, 2007 Messages 3,871 Location south east WA Australia Nov 5, 2015 #4 it will lower it by almost nothing, in the scheme of things you will have a nett gain