.21 T21-3M/2 Marine Engine flex Engine now includes the TP-29650/K-

Engine now includes the TP-29650/K- Flywheel Kit installed that includes the Marine Flywheel an d has the crankshaft modified for marine use

This gives the engine an improved fuel efficiency and a better power curve

21XM Version II Outboard Marine Engine

Manifold for use on the 21 KEEP Outboard to adapt 21 Car Style Tuned Pipes

Practical range: 6

.21 T21-3M/2 Marine Engine flex Engine now includes the TP-29650/K-Standard Head Button version, 3 port, Standard Plug Head Engine. Factory picture shows optional remote adjustable needle valve on carb (not included) as most boaters prefer remote needle mounted in a location within the boat and separate from the engine.