Weber MPE 750 NA ATV Manuel utilisateur
103524_SHB_Rev1.1_080611
MPE 750 NA ATV
MPE 750 NA ATV
• 103524_MPE 750 NA TS Redline 2.2
• 103524_I2 749 ATV NA-72 DS V1 2007 1.0
Service Manual
This service manual is valid for the following engine variants:
103524_SHB_Rev1.1_080611
MPE 750 NA ATV
Service Manual
Table of contents
1 About this document 1
1.1 Meaning of the symbols in the text 1
2 Safety 2
2.1 Basic principle 2
2.2 Meaning of the safety symbols 2
3 Description 3
3.1 Technical specifications 3
3.2 Serial number 3
3.3 Operating materials 4
3.4 Running in the engine 6
4 Maintenance 7
4.1 Maintenance work by the user of the vehicle 8
4.2 Maintenance intervals 9
4.3 Decommissioning at the end of the season 10
4.4 Motor oil and oil filter 11
4.5 Engine cooling circuit 17
4.6 Spark plugs 18
4.7 Valve play 21
5 Malfunctions 27
6 Terminology 28
7 Appendix 29
7.1 Directives 29
7.2 Exhaust type authorizations 30
8 Proof of maintenance for work carried out 31
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1 About this document
1.1 Meaning of the symbols in the text
Symbol /
Sign
Use Explanation
Need Required tools for carrying out the activities in
this section.
Need Required spare parts for the activities in this
section.
Information Information about assembly, e.g. tightening
torques.
Information Note about required lubrication.
[ ] Information Alternative measurement units are in square
brackets.
Information This sign indicates recommendations and
particularities.
1.
2.
...
Instruction Here you must do something.
Instructions must be carried out in the
sequence specified. Deviations from the
specified sequence can cause damage to the
engine and accidents.
– Instruction.
List.
Here you must do something.
Enumeration.
See ... Cross-reference References to other chapters and figures.
This chapter will familiarize you with the structure of this document so that you can find
the information it contains quickly and easily.
This document uses symbols and signs that allow you to find information quickly. Please
read the explanations of the symbols and signs in this chapter. Be sure to read all safety
instructions in this service manually especially carefully.
Always keep this documentation handy and make sure it is always in the vehicle. Be sure
to inform other users of all safety provisions.
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Service Manual
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This engine is state-of-the-art and built according to recognized safety-technical
regulations. Nevertheless, people can be injured or the engine damaged if the safety
instructions in this manual are disregarded.
Only put the engine into operation if it is technically perfect. Faults that compromise
the safety of people or of the engine must be eliminated immediately by trained service
personnel.
Arbitrary constructional changes to the engine are not permitted and void the warranty.
In addition to this documentation, heed generally-valid legal and other binding regulations
for accident prevention and environmental protection. Such duties can affect the handling
of hazardous materials or the provision and wearing of personal safety equipment or
traffic regulations, for example.
2 Safety
2.2 Meaning of the safety symbols
2.1 Basic principle
Disregarding this sign can endanger life and
limb.
Disregarding this sign can cause injuries to
persons.
Disregarding this sign can cause damage to the
engine.
DANGER
WARNING
ATTENTION
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2
009999
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The MPE 750 NA ATV is a 2-cylinder in-line engine. It is intended for recreational Off-
Road vehicles. It is not designed for constant loads at high speeds as can occur during
races, for example.
3 Description
3.1 Technical specifications
Type 2-cylinder parallel twin with vibration compensation shaft
Displacement 749 cm³
Engine power 53 kW (72 PS) [71 HP] SAE J 1228 7500 U/min [RPM]
Max. speed 8500 U/min [RPM]
Combustion system Intake-manifold fuel injection
Injection regulation electronic
Lubrication system Dry sump
Cooling system Water-cooled with closed coolant circuit
3.2 Serial number
The 8-digit serial number (1) serves to
identify the engine. It is engraved in the
motor housing (2) and glued on as a label
(3). Using this number, it is possible to
determine the production date and all
parts built into the engine.
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The use of other operating materials causes
damage to the engine and the voiding of the
warranty.
ATTENTION
Fuel quality Unleaded gasoline according to DIN 51607 („super unleaded“),
with an octane rating of at least 95 ROZ [RON] or 85 MOZ
[MON].
In case of emergency, unleaded fuel with 91 ROZ [RON] or 82.5
MOZ [MON] may be used for a short time.
Lower-quality fuels should only be used in case
of emergency. If used regularly, they cause
decreases in performance and possibly damage
to the engine.
ATTENTION
Oil specification Recommendation: 15W 50 completely synthetic, API SH,
JASO MA
Alternative: 0W 50
Minimum requirement: 0W 40
Fill quantity See the vehicle manufacturer’s service manual.
3.3 Operating materials
Fuel
Lubricant
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Coolant additive Coolant additive based on ethylene glycol
Silicate- and nitrite-free. Suitable for aluminium engines.
Anti-freeze mixture 50 % water + 50 % coolant additive
Recommended minimum frost protection up to -30 °C [-22 °F]
Filling quantity See the vehicle manufacturer’s service manual.
Coolant
Coolant additives protect not only against frost,
but also against corrosion and amongst other
things. Therefore, the coolant will be filled in the
specified mixture ratio the whole year round. The
mixture ratio may not be reduced by refilling.
ATTENTION
Different types of coolant should not be mixed.
Use only approved coolants for refill. See the
vehicle manufacturer’s service manual. The
mixture of different types of coolant can cause
severe damage to the engine.
ATTENTION
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3.4 Running in the engine
Weber Automotive GmbH recommends that during the first five hours of operation, you
should not operate the engine over 6,000 U/min [RPM]. This protective running-in has a
positive effect on the engine‘s lifespan.
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The table in chapter Maintenance intervals provides the manufacturer’s recommended
intervals for maintenance work. If you follow the maintenance recommendations, a
long lifespan of the engine can be achieved and unnecessary environmental damage
prevented. The Maintenance intervals specified in the table should not be exceeded by
more than 10%.
If not stated otherwise, all activities on the engine described in this manual must be carried
out by trained service personnel.
During the warranty period, maintenance and repair work may only be carried out in
Weber Motor service stations or in associated shops. If necessary, contact your vehicle
dealer.
Weber Automotive GmbH reserves the right to demand that proof of warranty be provided
in writing for warranty service. See Proof of maintenance for work carried out.
The vehicle owner or user is responsible for
adhering to the maintenance intervals. Weber
Automotive GmbH assumes no liability for damage
that arises due to maintenance not carried out.
ATTENTION
4 Maintenance
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Always check the oil level and coolant level before driving.
See Chapter Oil level check.
See Chapter Coolant level check.
4.1 Maintenance work by the user of the vehicle
Underrunning and exceeding the motor oil and
coolant fill levels specified in this manual can
cause damage to the engine.
ATTENTION
Regular checks before driving
ATTENTION
In the case of corrosive dirt, due to cross-country drive for example, the engine should be
cleaned. Never clean the engine with a high-pressured cleaner or a steam jet.
See the vehicle manufacturer‘s service manual.
The use of a high-pressured cleaner or a steam
jet can cause damage to the engine. In particular
the electrical components.
Cleaning of the engine
Table des matières
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