Chaparral 267 SSX, Owner'S/Operator'S Manual

Page: 69 / 113

Important: Acceleration at full throttle is not recommended dur-
ing the engine “break-in period.” This “break-in period”
coincides with the engine “20-hour check-up.” Do not attempt
full throttle acceleration during the first 20 hours of operation.
When you throttle up and accelerate, your boat increases the trim
angle and causes the boat to ride bow-high. From a maximum
angle, the boat levels out to its planing attitude as you continue to
accelerate. (Figure 5.2).
5-11
Figure 5.4 Trim Tab and Switch
WARNING:
Excessive trim decreases maneuverability,
changes steering characteristics, and may cause “porpoising”
(bow oscillates up and down) or “chine walking” (rocking side to
side). Use power trim with care.
and bow down.
Stern Bow
Tabs
Tabs extended, water passes
under hull, hits tabs and forces
stern up and bow down.
Figure 5.5 Trim Tab Operation