Weights from same scale taken pre-season. All sleds ready to ride (full fuel, oils, coolant) :
Snowest Source: The Big Pre-Season Weigh-In - SnoWest Snowmobile Forum
2012 Polaris 155" 600 Pro (electric start): 567.1
2011 Polaris 155" 800 rmk (non-pro): 552.5 (Pro is only 15 lbs less I hear)
2009 Ski-Doo 154" xp 800 (e-start/stock): 549.6
2006 Arctic Cat 153 m-7 : 551.8
2010 Arctic Cat 162 m-8 boondock turbo: 559.0
2008 162" nytro mcx turbo, timbersled front and rear, lightweight seat: 657.4
Snowest Source: The Big Pre-Season Weigh-In - SnoWest Snowmobile Forum
2012 Polaris 155" 600 Pro (electric start): 567.1
2011 Polaris 155" 800 rmk (non-pro): 552.5 (Pro is only 15 lbs less I hear)
2009 Ski-Doo 154" xp 800 (e-start/stock): 549.6
2006 Arctic Cat 153 m-7 : 551.8
2010 Arctic Cat 162 m-8 boondock turbo: 559.0
2008 162" nytro mcx turbo, timbersled front and rear, lightweight seat: 657.4