General
Model Year		2007	vs	2007
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Manufacturer		Ski-doo	vs	Yamaha
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Model Type		Mountain	vs	Performance
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BASE MSRP(US)		8,649	vs	10,599
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Warranty (months)		12	vs	12
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Engine
Fuel capacity		10.6 gal	vs	10 gal
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Cylinders		2	vs	4
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Starter		Pull	vs	Electric
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Engine Type		Horizontal In-line	vs	Horizontal In-line
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Engine Stroke		2	vs	4
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Valve Configuration		Reed Valve	vs	Dohc
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Displacement		594.4 cc	vs	998 cc
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Turbocharged		No	vs	No
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Carburetion Type		Fuel Injected	vs	Fuel Injected
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Reverse		Yes	vs	Yes
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Dimensions
Length (ft)		10.22	vs	9.2
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Width		45.8 in	vs	48 in
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Height		44.2 in	vs	45.7 in
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Maximum Ski Stance		46.4 in	vs	42 in
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Minimum Ski Stance		44.8 in	vs	42 in
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Dry weight		479 lbs	vs	551 lbs
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Track Length		144 in	vs	121 in
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Track Width		16 in	vs	15 in
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Lug Height		2.25 in	vs	1.25 in
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Features
Heated Hand Grips		Standard	vs	Standard
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Adjustable Ski Stance		Standard	vs
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Rear Rack		Standard	vs
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Materials
Ski Material		Plastic	vs	Plastic
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Skag Material		Dual Carbide	vs	Carbide
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Glass
Height		Mid	vs	Low
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Seats
Number Of Seats		1	vs	1
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Compare 2007 Ski-Doo Summit Adrenaline 144 600 H.O. SDI vs 2007 Yamaha Apex RTX With Reverse Snowmobiles