Downloads

These are the reference files and calculators that used to be hidden on the server with nothing linking to them.

• fzrgearingcalc.xls - gearing calculator spreadsheet for working out ratios and road speed for different sprocket combinations.
• GearRatios.xls - reference spreadsheet of FZR400 gearbox ratios.
• CompRatio.xls - compression ratio calculator spreadsheet.
• cam_specs.xls - camshaft specifications spreadsheet.
• Ignition Maps.xls - ignition timing maps spreadsheet.
• airdensity.xls - air density calculator spreadsheet, useful for correcting carb jetting and dyno figures for temperature and altitude.
• FZRCONFIG.xls - spreadsheet of possible FZR engine bore/stroke/capacity configurations.
• fzr400_560_660_etc.txt - plain-text table of possible bore and stroke combinations for building a big-bore FZR400, FZR600, YZF600, ZX6R or TT600 engine, with the resulting capacity in cc.
• fzr400_temp_sender.jpg - graph plotting a 1989 FZR400 (48-state US model) coolant temperature sender's resistance against temperature, from measured data points.
• FZR400SP_91.pdf - scanned 1991 Yamaha FZR400SP sales brochure (240KB).