12
Section 14: Clutch
The centrifugal clutch automatically engages when the engine rpm is
increased. Be sure that the idle speed adjustment is set low enough so
that the propeller does not rotate at idle.
Periodically disassemble the clutch and clean debris from the clutch
shoes and the inner clutch bell with DYN5505 Dynamite
®
Nitro Force.
Section 15: Troubleshooting Guide
Problem
Possible Solution
Engine will not start
Improper needle setting: see Zenoah
®
Engine Manual
Out of fuel: fill fuel tank
Improper fuel: use fresh Gasoline & Zenoah 2-Cycle Oil (mixed 32 parts gas to 1 part oil)
Bad Spark plug: replace
Flooded engine: remove spark plug, invert boat and operate the pull-starter to
remove fuel
Engine starts, then dies
Fuel line blocked or broken: connect or replace fuel line
Reset needles to baseline setting: see Zenoah instructions
Baseline settings for low and hi-speed needle valves is 1–1
1
/
4
turns out
Engine starts and runs for
Bad fuel: replace
several minutes, then dies
Improper needle settings: see Zenoah Engine Manual
Overheated engine: check for clogged or damaged cooling system
Debris in carburetor: remove, clean and replace
Engine will not start
Improper needle setting: see
Out of fuel: fill fuel tank
Improper fuel:
Bad Spark plug: replace
Flooded engine: remove spark plug, invert boat and operate the pull-starter to
remove fuel
Engine starts, then dies
Fuel line blocked or broken: connect or replace fuel line
Reset needles to baseline setting: see Zenoah instructions
Baseline settings for low and hi-speed needle valves is 1–1
Engine starts and runs for
Bad fuel: replace
several minutes, then dies
Improper needle settings: see Zenoah Engine Manual
Overheated engine: check for clogged or damaged cooling system
