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Big end

PostPosted: Thu Jan 18, 2018 8:17 pm
by special brew
Can anyone tel me where I can get a 22.9 race big end bearing from

Re: Big end

PostPosted: Fri Jan 19, 2018 9:39 am
by Scooterdude
AF Rayspeed £9.37.

Re: Big end

PostPosted: Fri Jan 19, 2018 2:00 pm
by dscscotty
Depends what specification, the 22.9 big end is ok for medium powered Ts1's Rapido's etc, however if your looking for RB's, SS200 etc you'll need a more suitable one of which there are none @22.9 as this is unique to Lambretta's, modern performance crankshafts use 22mm big end bearings as per the others in the two wheeled world.

Re: Big end

PostPosted: Sat Jan 20, 2018 9:10 pm
by gaz_powell
Stepped pin??

I've just had a pr of 22.9 Mazz webs built up using AF stepped pin, NRB bearing and older type AF race rod. Webs needed TIG welding as the pin not tight enough in webs.

AF said it would be fine in a standard TS1

I ran the 22.9 Mazz crank in a TS1 for a long time - though not my first choice now, it served me well

Re: Big end

PostPosted: Mon Jan 22, 2018 1:43 pm
by dscscotty
Your right Gaz AF do a 22.9 down to 22 stepped pin, they are fine for medium powered motors, but think you will have trouble fitting a decent race/RB spec bearing to one