1988-1992 Suzuki LT250R Service Manual, Page 16Get this manual
2-3 PERIODIC
TMTMTMTMTMTMTMTMTMTMTMTMTMTMAND TUNE-UP PROCEDURES
CYLINDER HEAD AND MUFFLER
Clean Every months4)
Carbon depbsits in the combustion chamber of the CYlinde1 head and at the piston crown will raise the compression ratio and may cause preignition or dverheating Carbon dedosited at the exhaust port of the cylinder will prevent the flow of exhaust gas, reducing TMTMTMTM outputRemove carbon deposits periodically
NOTE: For the removCf, refer to page 3-9