KX500 EXHAUST DEGREE & COMPRESSION RATIOS BY YEAR CHART
Posted: Sat Aug 15, 2015 6:06 pm
Thanks goes to Doldguy for providing these numbers
KX 500 with 86mm Stroke, 145mm Rod Length
Exhaust Timing Opening From “TDC”, Not from the deck but from the piston ( 0 deck height.)
200 Degree Duration 41.855mm
198 Degree Duration 42.633mm
196 Degree Duration 43.409mm
194 Degree Duration 44.183mm
192 Degree Duration 44.955mm
190 Degree Duration 45.724mm
188 Degree Duration 46.491mm
186 Degree Duration 47.254mm
Here is a link to a calculator
https://lambretta-images.com/tuningh/po ... lculators/
KX 500 with 86mm Stroke, 145mm Rod Length
Exhaust Timing Opening From “TDC”, Not from the deck but from the piston ( 0 deck height.)
200 Degree Duration 41.855mm
198 Degree Duration 42.633mm
196 Degree Duration 43.409mm
194 Degree Duration 44.183mm
192 Degree Duration 44.955mm
190 Degree Duration 45.724mm
188 Degree Duration 46.491mm
186 Degree Duration 47.254mm
Here is a link to a calculator
https://lambretta-images.com/tuningh/po ... lculators/