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 enginein
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. Operateengine atvariedthrottle settings for thefirsthour(1 hour). AVOIDbothwide-
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.
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