ok in my k4 sv650s manaul
it says....
Replace fuel hose every 4 years
replace engine cooliant every 2 years
replace brake hose every 4 years
replace brake fluid every 2 years
first service== 600miles or 2 months
tighten exhaust & muffler bolts,
replace oil & oil filter
tighten chassis bolts & nuts & inspect all other parts.
second service== 4000miles or 12 months
replace oil
inspect all other parts & lube as necessary
third service== 7500miled or 24 months
tighten exhaust & muffler bolts
repace spark plugs
replace oil
tighten chassis bolts & nuts lube as necessary
fourth service== 11000 or 36 months
replace air cleaner element
replace oil & oil filter
tighten chassis bolts & nuts
inspect & lube a necessary
fifth service== 14500 or 48 months
tighten exhaust & muffler bolts
replace spark plugs
replace oil
tighten cassis nuts & bolts
inspect & lube as necessary
copied from the SV650/s owner's manual, suzuki motor corporation many thanks.
HTH james