SeaDoo GSI Instrucciones de operaciones descargar pdf (Pagina 55)

53

OPERATING INSTRUCTIONS ____________________

Principle of Operation

Propulsion

The engine is directly coupled to a

drive shaft which, in turn, rotates an

impeller. This impeller is accurately ad-

justed in a housing where the water is

drawn up from underneath the water-

craft. Then the water flows through

the impeller to a venturi. The venturi

accelerates the water and produces

thrust to move the watercraft. De-

pressing the throttle lever increases

engine speed and therefore water-

craft speed.

TYPICAL

Reverse

(GTS/GTI/GTX Models)

The selector lever is used for either

driving the watercraft forward or back-

ward. With the lever pushed in, the

watercraft is in forward position, with

the lever fully pulled out, reverse posi-

tion is obtained. The lever middle posi-

tion is neutral. These 3 functions are

produced by the mean of a gate,

which is installed on jet pump venturi

housing. This gate directs the water

flow to get the proper function.

Variable Trim System (VTS)

(SPX/GSI/GSX/XP Models)

The variable trim system (VTS) chang-

es the angle of the jet pump nozzle to

provide the operator with a fast, effec-

tive system to compensate for load,

thrust, riding position and water condi-

tions. Correctly adjusted, it can im-

prove handling, reduce porpoising,

and position the watercraft at its best

riding angle to attain maximum perfor-

mance.

When first using the craft, the opera-

tor should become familiar with the

use of the variable trim system (VTS)

at varying speeds and water condi-

tions. A mid-range trim is generally

used when cruising. Experience alone

will dictate the best trim for the condi-

tions. During the watercraft break-in

period, when lower speeds are rec-

ommended, it is an excellent opportu-

nity to gain familiarity of trim adjust-

ment and its effects.

◆

WARNING

Always perform the PRE-OPERA-

TION CHECKS before operating

the watercraft. Become thor-

oughly familiar with all controls

and the function of each. Should

any control or instruction not be

fully understood, refer to an au-

thorized dealer.

◆

WARNING

Whenever the engine is to be

started, the operator and any

passenger(s) should always be

sitting on the watercraft.

F01J3Y

◆

WARNING

Selector lever should only be

used when the engine is idling.

Ensure lever is pushed in and

locked.

smo9701a.bk : smo9701b.fm5 Page 53 Monday, November 3, 1997 9:54 AM

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