POWERHEAD
Page 4-52
90-826883R2 JUNE 1998
5. Install tell-tale hose and attach hose to fitting on bottom cowl.
a
57073
a -
Tell-Tale Hose
6. Install the following components/assemblies referring to the listed service manual
sections.
Component/Assembly
Section
Carburetor
3A
Throttle/Shift Mechanism
7A/B/C
Electrical/Ignition Components and Flywheel
2A/B
Rewind Starter
8
Set-Up and Test-Run Procedures
CAUTION
When engine is started, IMMEDIATELY check for fuel leaks and water leaks.
Check for water pump operation by water being discharged from tell-tale.
1. Following powerhead repairs, refer to Section 2C “Timing/Synchronizing/Adjusting”
and perform set-up procedures.
2. While test running engine, check powerhead assembly for leaks and/or unusual
noises. Make any repairs BEFORE returning engine to service.
Break-In Procedure
CAUTION
To avoid possible engine damage, break-in procedure MUST BE completed BE-
FORE operating engine continuously at full throttle. Failure to break-in engine in
properly will result in engine failure or shortened powerhead life.
IMPORTANT: Advise the owner that the break-in procedure must be followed EX-
ACTLY when returning an overhauled engine to service.
1. Mix gasoline and oil at the normal 50:1 ratio.
2. Operate engine at varied throttle settings for the first hour (1 hour). AVOID both wide-
open-throttle operation and prolonged idle in cold water areas during this period.
3. After the first hour of operation, the engine is may be run at any speed. DO NOT EX-
CEED the full throttle RPM range listed in “Specifications”, preceding.