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Finally got to take it for a spin. Holy Jesus it went, then disaster blew an oil line possibly blown the motor, was still running when I noticed but could be too late. so guys keep an eye on your oil lines. The gear lever stripped and spun on the spline not sure if this helped the oil line come...

Pretty sure the tank was half unleaded. My fuel tin got hijacked during the week and didn't have time to empty tank and put premium in. Gonna port it soon but by the look of the ports they are very clean and don't need much. By the way anyone thinking of goin to maitland on the 14th but was...

Dyno run Got the V2 head on, dynoed it this mornin and with a few jetting adjustments ended up with 18.8 hp.

Thank u so much, it looks like il try .003 and .004 inch.:handshake:

Thanx heaps dude. gonna do the head swap myself, u wouldn't know valve clearances too.

Does anyone know the bore size in Russ's 155's. Gonna get a tb V2 head.

155z with v2 head Hey guys i have one of russ's bikes and wanna get a v2 head need to know bore size without taking head off, can anyone tell me bore size in these engines. By the way its the 155.