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Discussion Starter · #1 ·
Hey all, I just got a 2003 LTD 660 and am currently doing all the maintenance the previous owner neglected to do. I have a v-star 1100 that I maintain and I sync the carbs as regular maintenance. I made my own manometer for vaccuum and it is really easy to do and makes the bike run great. Do I need to do it on my Raptor? It has 2 carbs, the shop manual shows a sync screw and says to sync the carbs but here is my problem...
I cannot find the vaccuum tube for the right side carb. There is a capped one on the left but nothing on the right. Did I miss something? Any help would be appreciated.
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I would also think that since both carbs are feeding a single cylinder, synching them would be somewhat unnecessary.
 

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Discussion Starter · #4 ·
russ said:
I would also think that since both carbs are feeding a single cylinder, synching them would be somewhat unnecessary.
Good point. Its just so easy to do I thought I would add it to my regular maintenance as I know the difference it makes on my V-Star but again that is 2 cylinders. There is the sync screw in between the carbs though. How would the shop do it or would it be a scam you pay for thinking they tuned your bike?
 

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nuckledragger said:
russ said:
I would also think that since both carbs are feeding a single cylinder, synching them would be somewhat unnecessary.
Good point. Its just so easy to do I thought I would add it to my regular maintenance as I know the difference it makes on my V-Star but again that is 2 cylinders. There is the sync screw in between the carbs though. How would the shop do it or would it be a scam you pay for thinking they tuned your bike?
 

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I think there's something in the manual about syncing them, it was bench work tho, a matter of checking that the butterfly's opened at the same time. I think it said to use the shank of a small drill bit and slide it past the butterfly.
 
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