Yamaha F200B, Service Manual

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2-11
TECH
FEA
Technical features and description
Power unit system
These models are equipped with a V6, 4-stroke engine that has 60° cylinder banks. The power unit
features shimless valve lifters, a blowby gas reburning system, a vapor gas treatment system, a sin-
gle electronic throttle body, long intake manifolds, large diameter intake valve heads, and an in-
bank exhaust system.
The F(L)250G is a new high-output outboard motor for use in various environments. The outboard
motor has adopted structural features that improve durability.
The F(L)200B is an outboard motor for commercial use.
Shimless valve lifter
Newly designed valve lifters
1
have been adopted instead of the usual valve shims
2
. The valve
lifters are available in different thicknesses
a
. Therefore, the valve clearance
b
can be adjusted by
replacing the current valve lifter with a new valve lifter of the appropriate thickness.
1
2
b
a
Previous V6 model
New V6 model