the 613-01 Renthal fit, on my 2008 XTR, if you re-route the clutch cable and switch wiring next to it.

They are higher (about 30mm) and alot wider (about 55mm) than my standard handlebars.... http://www.xt660.com/showthread.php?t=15842

It is a bit tight on the clutch cable, I will try another routing, but it works.


Or you can get a slightly longer clutch cable...something off-the-shelf or made up by Venhill.

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2008 XTR Mods : DNA Stage 3 Airbox, PC111, Carbon Cans Ovals, Steve Ruth built XTR734cc Big Bore with - High Desert Dyno (HDD)/ Cuervo Racing Gas Flowed / Ported Head fitted with +1mm Valves & uprated Springs, HDD 5050 Camshaft, HDD +3mm Throttle Body, CP 105.5mm 11:1 Piston, Custom Mapping, Piasini ECU, Renthal 613-01, Barkbusters VPS, Pivot Pegz, Touratech Bashplate, Foam Grips, Kev's O2 Sensor Mod, Kev's Extra Coolant Cooler, Wilbers Progressive Fork Springs and Rear Shock