Ski-Doo Summit x 670 1998 Installationsanleitung

-I

1998

Shop Manual

Supplement

SUMMIT x 670

USE IN CONJUNCTION WITH THE SKI-DOO SHOP MANUAL P/N 484 0682 00

Legal deposit:

National Library of Quebec

4th trimester 1997

National Library of Canada1997

form without the prior written permission of Bombardier Inc.

©Bombardier Inc. 1997

Technical Publications

Bombardier Inc.

Valcourt (Quebec) Canada

Printed in Canada

®*Registered trademarks of Bombardier Inc.

TABLE OF CONTENTS

SECTION PAGE

SAFETY NOTICE ...................................................................................................................................... III

INTRODUCTION Abbreviations list ......................................................................... IV

Serial numbers ............................................................................ IV

LUBRICATION

AND MAINTENANCE .................................................................................................... *

01 TOOLS .................................................................................................... 01-1

02 TROUBLESHOOTING .................................................................................................... 02-1

ENGINE Table of contents......................................................................... *

699 Engine ................................................................................. *

Leak test and engine dimension measurement .......................... *

CDI system (220-watt magneto system)..................................... 03-1

Oil injection system..................................................................... 04-1

Liquid cooling system.................................................................. *

Rewind starter............................................................................. *

Carburetor and fuel pump............................................................ *

Fuel tank and throttle cable......................................................... *

TRANSMISSION Table of contents......................................................................... *

Drive belt ..................................................................................... *

Drive pulley.................................................................................. *

Driven pulley................................................................................ *

Pulley distance and alignment..................................................... *

Brake ........................................................................................... *

Gearbox ....................................................................................... *

Drive chain................................................................................... *

03 ELECTRICAL SYSTEM Table of contents......................................................................... *

Wiring diagrams........................................................................... 08-1

Ignition timing.............................................................................. *

Spark plugs.................................................................................. *

220-watt magneto system .......................................................... 03-2

Theory and operation................................................................... 03-2

Testing procedure ....................................................................... 03-2

04 OIL INJECTION SYSTEM Oil injection pump ....................................................................... 04-2

05 DESS SYSTEM Component location .................................................................... 05-1

Theory and operation................................................................... 05-1

Ignition system testing................................................................ 05-3

Lighting system testing............................................................... 05-4

06 DIGITAL PERFORMANCE

MANAGEMENT (DPM)

SYSTEM

Component location .................................................................... 06-2

Theory and operation................................................................... 06-2

Testing procedure ....................................................................... 06-11

Starting procedure....................................................................... 06-12

* Refer to

1998 Shop Manual volume 2

(P/N 484 0682 00)

TABLE OF CONTENTS

$()

VOLUME 2

* Refer to

1998 Shop Manual volume 2

(P/N 484 0682 00)

STEERING/

FRONT SUSPENSION Table of contents ........................................................................ *

Steering system.......................................................................... *

Suspension and ski system ........................................................ *

BODY/FRAME Table of contents ........................................................................ *

Body............................................................................................ *

Frame.......................................................................................... *

07 TECHNICAL DATA Engine ......................................................................................... 07-1

Vehicle ........................................................................................ 07-2

Technical data legends................................................................ 07-3

08 WIRING DIAGRAM Wiring diagram legend ................................................................ 08-1

SECTION PAGE

TABLE OF CONTENTS

$()

VOLUME 2

III

SAFETY NOTICE 0

This manual has been prepared as a guide to correctly service and repair the 1998 Ski-Doo Summit x 670.

See model list on next page.

This edition was primarily published to be used by snowmobile mechanics who are already familiar with

all service procedures relating to Bombardier made snowmobiles.

Please note that the instructions will apply only if proper hand tools and special service tools are used.

This

Shop Manual Supplement

uses technical terms which may be slightly different from the ones used

Parts Catalog

The content depicts parts and/or procedures applicable to the particular product at its time of manufac-

ture. It does not include dealer modifications, whether authorized or not by Bombardier, after manufac-

turing the product.

In addition, the sole purpose of the illustrations throughout the manual, is to assist identification of the

general configuration of the parts. They are not to be interpreted as technical drawings or exact replicas

of the parts.

The use of Bombardier parts is most strongly recommended when considering replacement of any com-

ponent. Dealer and/or distributor assistance should be sought in case of doubt.

The engines and the corresponding components identified in this document should not be utilized on

product(s) other than those mentioned in this document.

Torque wrench tightening specifications must be strictly adhered to. Locking devices (ex.: locking tab,

elastic stop nut, etc.) must be installed or replaced with new ones, when damaged. If the efficiency of a

locking device is impaired, it must be renewed.

This manual emphasizes particular information denoted by the wording and symbols;

NOTE: Indicates supplementary information needed to fully complete an instruction.

Although the mere reading of such information does not eliminate the hazard, your understanding of the

information will promote its correct use. Always use common shop safety practice.

This information relates to the preparation and use of Bombardier snowmobiles and has been utilized

safely and effectively by Bombardier Inc. However, Bombardier Inc. disclaims liability for all damages

and/or injuries resulting from the improper use of the contents. We strongly recommend that any servic-

es be carried out and/or verified by a highly skilled professional mechanic. It is understood that certain

modifications may render use of the vehicle illegal under existing federal, provincial and state regulations.

◆WARNING

Identifies an instruction which, if not followed, could cause serious personal injury including

possibility of death.

-CAUTION

Denotes an instruction which, if not followed, could severely damage vehicle components.

SAFETY NOTICE

INTRODUCTION 0

The 1998 Summit x 670 comprises 2 new sys-

tems compare with Summit 670. The

1998 Shop

Manual Supplement

describes how these sys-

tems operate as well as the procedures to test

them.

1. DESS switch

2. MPEM module including DPM and ignition systems

3. DPM manifold

4. Engine temperature DPM sensor

5. Air temperature DPM sensor

ABBREVIATIONS LIST

CDI Capacitor Discharge Ignition

DESS Digitally Encoded Security System

DPM Digital Performance Management

Hz Hertz (1 cycle per second)

PSI Pound per Square Inch

MAG Magneto ( magneto side)

mbar millibar

MPEM Multi-Purpose Electronic Module

PTO Power Take Off (drive pulley side)

ROM Read Only Memory

RPM Revolutions Per Minute

VDC Volt Direct Current

SERIAL NUMBERS

Each Vehicle has its Particular Vehicle

Serial Number

Serial Number Meaning

TYPICAL

1. Vehicle serial number

The engine also has a serial number.

MODELS MODEL

NUMBER

SUMMIT x 670 (CANADA) ................... 1307

SUMMIT x 670 (U.S.) ........................... 1310

A03A0IA

A00A0DA

Model no. Vehicle no.

0000 00000

A06H01A

INTRODUCTION

Liquid Cooled Engines

1. Engine serial number

-CAUTION

Most components of those vehicles are built

with parts dimensioned in the metric sys-

tem. Most fasteners are metric and must not

be replaced by customary fasteners or vice

versa. Mismatched or incorrect fasteners

could cause damage to the vehicle or possi-

ble personal injury.

A00C1QA

INTRODUCTION

Section 01 TOOLS

01-1

TOOLS 0

TYPICAL — ADAPTOR (P/N 529 0338 00)

A00B4HA

Fluke multimeter

(P/N 529 0220 00)

F01B1O4

APPLICATION

All models.

242 Choke nut tool

(P/N 529 0322 00)

A01B554

APPLICATION

All vehicles equipped with a

choke.

782 Programmer

(P/N 529 0355 02)

A01B5B4

APPLICATION

All models equipped with a DESS.

02-1

Section 02 TROUBLESHOOTING

TROUBLESHOOTING 0

DIGITAL PERFORMANCE

MANAGEMENT (DPM)

SYSTEM

If the DPM seems to be defective, unplug both

solenoids while the engine is running. The carbu-

ration is now identical to that of carburetors with-

out a DPM provided, of course, that all pipe

fittings are tight and that solenoids are in good

condition. None must be half-open.

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