Depends on the bike brand, some have chains, some belts and some have drive shafts.
Four-Cylinder has chains, V6 has belts.
4M40 is timing chains
timing belt
It has two timing chains...no timing belts
chain
8th generation Civics (2006-up) have timing chains. Timing chains are more durable than timing belts. Unless there is a problem timing chains never get replaced; timing belts need replacing every 60,000 miles .
no they just have timing belts no chains
( 1 ) timing chain
Timing chain, no maintenance required.
standard mileage for most all timing belts is 70,000 miles, but not many Jeeps have belts, they have chains that do not need to be replaced
as far as i know all Lexus have timing belts which require replacement every 60 or 90,000 miles depending on the year.
The 4.0 L SOHC engine has 3 timing CHAINS