A Union on the front of the block is retained by three bolts .

B ... and on the back of the head by two bolts

PWW5IIf the hose is difficult to push

imuaa _{on its uniorii} n _{can be}

Softened by soaking it in very hot water, or

alternatively a little soapy water can be

used as a lubricant.

6Rotate the hose on its unions to settle it in position before sliding the clips into place and tightening them securely.

7 If either the inlet union to the cylinder block or the outlet union from the cylinder head has

been removed, fit a new O-ring, then install the union and tighten the mounting bolts securely (see illustration). 8Refill the cooling system (see Chapter 1).

9.7a Fit new O-rings to the front union

B ... and the rear union before reassembly

4»1

Chapter 4

Fuel and exhaust systems

Contents

Air filter - cleaning and renewal.................................. see Chapter 1

Air filter housing - removal and installation............................... 12

Air/fuel mixture adjustment - general information....................... 4

Carburettor overhaul - general information................................ 5

Carburettor synchronisation ................................... see Chapter 1

Carburettors - removal and installation....................................... 6

Carburettors - disassembly, cleaning and inspection............... 7

Carburettors - reassembly, and float height check.................... 8

Carburettors - separation and joining......................................... 9

Choke cable - removal and installation...................................... 11

Degrees of difficulty

Exhaust system - removal and installation .................................. 13

Fuel hoses - check and renewal ................................. see Chapter 1

Fuel system - check ................................................... see Chapter 1

Fuel tank - cleaning and repair..................................................... 3

Fuel tank and fuel tap - removal and installation ..................... 2

General information and precautions ....................................... 1

Idle speed - check......................................................... see Chapter 1

Sub-air cleaner............................................................... see Chapter 1

Throttle and choke cables - check and adjustment ... .see Chapter 1
Throttle cables - removal and installation.................................... 10

Easy,suitable for novice with little experience

I

Fairly easy,suitable J|x

for beginner with

some experience 3j|

Very difficult, ^

suitable for expert DIY 5j
or professional JN

Specifications

Note: Where applicable, models are identified by their production code letter - refer to 'Identification numbers' at the front of this
manual fordetails.

Fuel

Grade ................................................................................................ Unleaded, minimum 91 RON (Research Octane Number)

Fuel tank capacity.............................................................................. 18 litres

Carburettors

Type ................................................................................................ Keihin VP 34 mm

Pilot screw setting (turns out)........................................................... 1 to 2 turns out

Float height............................................................................................ 13.7 mm

Idle speed.............................................................................................. 1300 rpm (± 100 rpm)

Pilot jet ................................................................................................ 38

Main jet ................................................................................................ 122

Torque settings

Carburettor joining nut (upper)........................................................ 10 Nm

Carburettor joining nut (lower) ....................................................... 5 Nm

Exhaust downpipe nuts .................................................................. 13 Nm

Exhaust and silencer mounting bolts.............................................. 27 Nm

Silencer clamp bolt............................................................................ 21 Nm

4*2 Fuel and exhaust systems

1 General information am precautions

Date: 2016-01-14; view: 480