SIR---EXACTLY THE SAME, EXCEPT I'M BUILDING WITHT HE ROBART 100 DEGREE RETRACTS INSTEAD---ALREADY PURCHASED. THE OS 1.20 IS IN THE PROCESS OF BEING PURCHASED. WHAT HAS BEEN YOUR EXPERIENCE IN --SO FAR--INSTALLATION PROCESS OF THE 1.20---FUEL TANK LEVEL INSTALLATION. ALSO, I UNDERSTAND WE SHOULD (I'M TOLD???) USETHE SLIMLINE EXHAUST WITH THE 1.20, AND THE HEAD OF THE ENGINE AT "SIX O' CLOCK". I WILL BE SUING A GLOW-DRIVER ONBOARD. TOLD THIS IS 'NECESSARY' WITH THE HEAD INVERTED. --ALL THE BEST , 'N GOD BLESS---ED SARKISIAN