2018 Kawasaki Ninja H2 SX Gearing.xlsx
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KAWASAKI H2SX: SPEED vs. ENGINE RPM
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=You can change ONLY these parts of the sheet to see the effect on theoretical bike speed.
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=You cannot change these cells, as it will invalidate all calculations.
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Input Gear
Output Gear
Gear
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No. of Teeth
No. of Teeth
Ratio
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Pri Reduction50741.480
Engine crank and clutch gears.
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1st gear13403.077
These ratios are
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2nd gear17422.471
internal to the
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3rd gear22452.045
H2 SX engine
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4th gear22381.727
and should not
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5th gear21321.524
be modified in
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6th gear23311.348
this spreadsheet
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Sec Reduction18442.444
(18/44 is the stock configuration, front/rear sprockets)
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Gearing source:kawasaki.ca (Technical Specifications -> Drivetrain section)
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Rear tire width:
190mm7.48inches
(190/55-17 is the stock rear tire configuration)
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Rear tire profile:
55mm4.11inches
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Rim diameter:17inches17.00inches
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Wheel diameter:
640.80mm25.23inches
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Calculated Rolling Circumference =
79.26inches = 6.605feet
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Measured Rolling Circumference =
79.26inches =6.605feet
<-- Tire wear and inflation can affect circumference. Enter your measured value here if you have done so. Otherwise it will be set equal to a calculated circumference.
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do not edit below ~ RESULTS ~ do not edit below
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H2 SX Speed in Gear (mph)
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Engine
RPMs
1st
Gear
2nd
Gear
3rd
Gear
4th
Gear
5th
Gear
6th
(mph)
6th
(kph)
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0000000.00.0
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5003.44.25.16.06.87.712.4
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10006.78.410.112.013.615.424.8
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150010.112.615.218.020.423.137.1
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200013.516.820.324.027.230.849.5
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250016.921.025.430.034.038.561.9
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300020.225.230.436.040.846.274.3
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350023.629.435.542.047.753.986.7
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400027.033.640.648.054.561.699.1
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450030.337.845.654.061.369.3111.4
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500033.742.050.760.168.177.0123.8
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550037.146.255.866.174.984.7136.2
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600040.550.460.972.181.792.4148.6
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650043.854.665.978.188.5100.0161.0
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700047.258.871.084.195.3107.7173.4
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750050.663.076.190.1102.1115.4185.7
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800053.967.281.196.1108.9123.1198.1
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850057.371.486.2102.1115.7130.8210.5
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900060.775.691.3108.1122.5138.5222.9
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950064.179.896.4114.1129.3146.2235.3
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1000067.484.0101.4120.1136.1153.9247.7
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1050070.888.2106.5126.1143.0161.6260.0
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1100074.292.4111.6132.1149.8169.3272.4
- Max Power (207 bhp with ram air)
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1150077.596.6116.6138.1156.6177.0284.8
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1200080.9100.8121.7144.1163.4184.7297.2
- Max speed at assumed Redline shown on tachometer
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1250084.3105.0126.8150.1170.2192.4309.6
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1280086.3107.5129.8153.7174.3197.0317.0
- Max observed RPM in review videos
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1300087.7109.2131.9156.1177.0200.1322.0
- Over rev
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