Stock jetting for 660/ - Yamaha ATV Forum
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post #1 of 2 Old 10-12-2008, 08:28 PM Thread Starter
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Stock jetting for 660/

I need to return the 660 to stock and cant remember the stock jetting. I need mains pilots air screw and needle position. Thanks. I plan on leaving the HC stage one in it if that matters but the lid is going back on. marty

2004 Raptor 660
CT Racing full exhaust 15 discs in
pro design filter no lid
170/175 mains CT needle 3rd clip 2 turns out
27.5 pilots

Hot Cam stage 1
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post #2 of 2 Old 10-12-2008, 09:23 PM
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140/145 Mains

22.5 Pilots

1 1/2 - 2 turns on pilot screws.

01' Raptor 720, Stage 2, FCR'd
97' 250 Vitos Blaster
06' Rhino 450
94' Banshee T-5's, Vforce, ported, Cool Head, 2-1
06' Wolverine 450 - Stock!
06' LTZ 440
94' Vmax4 750, 96' 600 MountainMax
06' Vmax 1200
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