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I am thinking I want to gear my D600 a little lower. I was thinking of going to a 45 tooth sprocket from a 42. Do I need I longer chain? and has anyone done this before?
 

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45 was the biggest you could put on a TT600 without using a longer chain. It is worth a try, as long as you haven't changed the front sprocket.
 

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i dont know if you have already done the sprocket upgrade, but i put a 45 on the rear of my 04 daytona 600 with no problem. and boy did that make a differance in acceleration. with that full micron exhaust and triumph race tune, i can keep up with my freinds 06 R6 with power commander, temignoni can. well all the way up until i run out of gear.
 

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I havent done the 520 conversion yet, but the ratio 3.14 seems a little steep.
what exactly are you wanting to achieve with this conversion? more top speed or more accelaeration?
I only ask because with that ratio your going to gain ALOT of acceleration, downside is youll lose alot of top speed.
check into a speedo correction device, because what your bikes speedo will be telling you that you are going much faster than you really are.
i didnt correct my speedo i just know at about 90mph on the bike im really closer to 72 mph actual speed (est. by police speedtrap).
 

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520 Conversion

Just did the conversion from sumofallparts and it is working great but since I live about a hour away from Deals Gap and we have lots of twisties I really don't mind the top speed loss. 15/47

Eric
 
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