7/26/2019 yamaha 2.5

1/18

SEA HORSE 2,5 HPSEA HORSE 2,5 HPSEA HORSE 2,5 HPSEA HORSE 2,5 HP

7/26/2019 yamaha 2.5

2/18

Power Hp 2,5

Power Kw 1,84

Max RPM 5500/6000

Motor type 4 stroke OHV

Displacement c.c. 55

Bore x Stroke (mm) 47 x 32Nr. cylinders 1

Induction 1 carburettor

Fuel Unleaded petrol

Fuel tank (lt.) Built-in 1,4 lt.

Oil tank (lt.) Built-in 0,7 lt.

Lubrication Automatical oil injection into the carburettor

Ignition I.D.I.

Ignition timing Fixed

Starting Manual

CoolingEngine air cooled

Exhaust system water cooled

Exhaust Under Water

Trim adjustment Manual (4 positions to be selected by pin location)

ransm ss on ra o

Propeller type 2-bladed

Weight basic version (Kg) 15

7/26/2019 yamaha 2.5

3/18

STARTERWITH

EASY

STARTSYSTEM:

PULL AND LAEVE

THEROPEUNTIL

THEENGINESTARTS

EXHAUST

MANIFOLD

SCREW

7/26/2019 yamaha 2.5

4/18

UNLEADEDPETROL

2STROKESYSNTETHIC

OIL TCW3

7/26/2019 yamaha 2.5

5/18

DIAPRHAM

CARBURETTOR

POWERBLOCK

AIRCOOLING

GRATING

FUELPUMP

FUELPRIMER

SYSTEM

7/26/2019 yamaha 2.5

6/18

POWERBLOCK

AIRCOOLED

7/26/2019 yamaha 2.5

7/18

OIL PUMP GEAR

SPARKPLUG:

C ampion:RZ7C

NGK:CMR7H

7/26/2019 yamaha 2.5

8/18

OILOUTPUTTOTHEOILPPUMPDRIVING

CARBURETT R

OILPUMP

OILINLETFROMTHE

ILTANK

7/26/2019 yamaha 2.5

9/18

FUELINTAKE

MANIFOLDTOTHE

CILYNDERHEAD

7/26/2019 yamaha 2.5

10/18

VALVEDRIVING

SYSTEMTRANSMISSION

MIXINGOUTPUT

CILYNDERHEAD

INTAKEHOLEINTO

THECILYNDERHEAD

7/26/2019 yamaha 2.5

11/18

INTAKE/EXHAUST

CAMMES

INTAKEMANIFOLD

7/26/2019 yamaha 2.5

12/18

MAGNETOFLYWHEEL

WITHAIRCOOLIMG

SYSTEM

IGNITIONCOILIDI

FIXEDTIMING32

FLYWHEEL IGNITIONCOIL

GAP:0,3mm

7/26/2019 yamaha 2.5

13/18

SHAFTCOUPLING

FLANGE

7/26/2019 yamaha 2.5

14/18

7/26/2019 yamaha 2.5

15/18

FRICTION BELL

7/26/2019 yamaha 2.5

16/18

CENTRIFUGAL

FRICTION

7/26/2019 yamaha 2.5

17/18

COOLINGWATER

PASSAGEFORTHE

EXHAUSTSYSTEM

FUELLEVEL

CHECKINGOPENING

7/26/2019 yamaha 2.5

18/18

OILLEVELCHECKINGEXHAUSTVALVE

CLEARENCE:0,15

mm

INTAKEVALVE

CLEARENCE:0,10mm