Yamaha Fuel Consumption

GPH data across RPM ranges for Yamaha outboard engines.

Engine Idle1000150020002500300035004000450050005500 WOT
25 hp 4-stroke0.100.120.200.400.701.101.251.501.752.102.302.50
50 hp 4-stroke0.200.300.600.901.201.701.902.302.603.204.004.90
70 hp 2-stroke0.500.601.001.402.202.903.304.104.504.805.907.30
90 hp 4-stroke0.350.400.701.101.902.503.103.804.705.907.209.10
115 hp 4-stroke0.400.500.601.001.902.603.504.605.806.407.609.70
150 hp 4-stroke0.500.751.202.103.004.205.206.108.0010.513.215.5
175A hp 4-stroke0.500.701.302.303.003.905.106.908.5011.814.916.3
200 hp VMAX V60.801.602.703.505.206.708.409.5012.914.416.519.2
225 hp 4-stroke0.801.302.203.203.904.605.707.4010.111.914.417.7
250 hp 4-stroke0.801.202.103.605.306.408.5011.315.017.420.623.8
300 hp 4-stroke0.801.302.203.705.206.609.6011.815.519.323.526.0
350 hp 4-stroke0.851.502.504.706.609.8011.114.118.022.729.634.1
XTO 425 hp 4-stroke0.951.902.704.306.008.8011.214.519.023.030.636.8
*All values in GPH. Figures don't account for boat drag, sea conditions, propeller pitch/size, or efficiency losses through transmissions and bearings. WOT = Wide Open Throttle.
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