December 1, 200718 yr Does someone with a 2007 4RT can tell me what the service manual from the 2007 says about the valve timing, and what these values are ? They say that the 2007 Mont has another camshaft, but in the 2007 partslisting the part number is the same as in the partslist from a 2005 montesa.
December 1, 200718 yr my understanding is the cam was changed on the 07. It may be that the part nos are the same but the part is actually now the new type?
December 2, 200718 yr very different have both out of the bike and ridden both Is the 07 much better? Is the 08 the same?
December 2, 200718 yr Author very different have both out of the bike and ridden both Ok... but what is different is it the the timing?????? and if so what are the values of the timing. 2005 / 2006 --------------------------------------- Inlet Open 6 deg BTDC Inlet Close 27 deg ABDC Exhaust Open 30 deg BBDC Exhaust Close 1 deg ATDC Fact is that the partnumbers are equal Edited December 2, 200718 yr by fantic303
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