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2003 yamaha yz450f valve adj specs
The 2003 Yamaha YZ450F is a big-bore, air-cooled two-stroke motorcycle. It was first introduced in 2001 and was the replacement for the 2000 model year YZ450F. The engine displacement has remained at 450cc since then. It uses an overhead camshaft with four valves per cylinder and a 4 valve/cylinder head configuration to create power output of 35 PS (29 kW) @ 8500 rpm and 25 lb·ft (35 Nm) @ 7200 rpm with a compression ratio of 9.7:1.
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