1987-2004 Kawasaki Mojave KSF250 Service Manual, Page 59Get this manual
4-12 ENGINE TOP END Camshaft Chain Wear eHold the chain taut with force of about kg in some manner, and measure 20-link lengthSince the chain may wear unevenly, take measurements at several placesIf any measurement exceeds the service limit, replace the chainCamshaft Chain 20-link Length Standard: 127.00 -127.36 mm Service Limit: 128.9 mm Chain Length Measurement
ARocker Shafts
BRocker Shaft Plug
20-link Length
eRemove the rocker shafts, and take off the rocker arms and retainer springs
Rocker Arm and Rocker Sha ft Installation Notes eBlow the rocker arm oil passage clean with compressed air and apply oil to the rocker arm bore before installationCamshaft Chain Guide Wear eVisually inspect the rubber, or teflon coating on the guidesIf the rubber, or teflon coating is damaged, cut, or is missing pieces, replace the guidesCamshaft Chain Guide