Weber MPE 750 Turbo Marine Manuel utilisateur
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
MPE 750 Turbo Marine - Open Loop
• 103047_MPE 750 Marine SO Open Loop 3.2
Service Manual
This service manual is valid for the following engine variants:
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
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
2.3 General safety instructions 3
3 Description 4
3.1 Technical specifications 4
3.2 Serial number 4
3.3 Operating materials 5
3.4 Running in the engine 6
3.5 Operating the engine without sea water 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 Spark plugs 17
4.6 Valve play 20
5 Malfunctions 26
6 Terminology 29
7 Appendix 30
7.1 Directives 30
7.2 Exhaust type authorizations 31
8 Proof of maintenance for work carried out 32
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 1
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.
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 2
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
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 3
2.3 General safety instructions
The engine may only be operated at idle speed
for a maximum of 30 seconds without sea water.
Engine damage due to overheating.
See Chapter Operating the engine without sea
water.
Lift a submerged engine out of the water as
quickly as possible and take it to a professional
shop for maintenance within 24 hours. Belated
measures can cause severe damage to the
engine.
ATTENTION
ATTENTION
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
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Service Manual
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The MPE 750 Turbo Marine - Open Loop is a 2-cylinder in-line engine. It is intended for
recreational watercraft. 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 81 kW (110 PS) [109 HP] SAE 1228 8000 U/min [RPM]
Max. speed 8400 U/min [RPM]
Charging Turbocharger
Combustion system Intake-manifold fuel injection
Injection regulation electronic
Lubrication system Dry sump
Cooling system Water-cooled with open sea water cooling 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.
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 5
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 Initial filling 4.2 liters [4.4 qt (US)]
Oil change with filter 3.3 - 3.5 liters [3.5 - 3.7 qt (US)]
3.3 Operating materials
Fuel
Lubricant
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 6
3.4 Running in the engine
3.5 Operating the engine without sea water
The engine may only be operated at idle speed
for a maximum of 30 seconds without sea water.
Engine damage due to overheating.
ATTENTION
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.
If it is necessary to operate the engine longer than 30 seconds without sea water, the
vehicle‘s rinsing equipment must be used.
See chapter Flush sea water cooling circuit after driving.
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 7
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
103047_SHB_Rev2.1_080611
MPE 750 Turbo Marine
Open Loop
Service Manual
Page 8
Always check the oil level before driving.
See Chapter Oil level check.
4.1 Maintenance work by the user of the vehicle
Underrunning and exceeding the motor oil fill level
specified in this manual can cause damage to the
engine.
ATTENTION
Regular checks before driving
In order to protect the sea water cooling circuit against soiling, calcium deposits and such,
the sea water cooling circuit must be flushed after each use.
Flush sea water cooling circuit after driving
Soiling in the sea water cooling circuit can cause
severe damage to the exhaust manifold.
The flushing is done with a flush kit in the vehicle. See the vehicle manufacturer‘s service
manual.
1. Connect the Flush kit.
2. Start engine and operate only in idle. Do not accelerate.
3. Ensure the water supply within 30 seconds. See Chapter Operating the engine
without sea water.
4. The Weber Automotive GmbH recommends to flush the sea water cooling circuit
for one minute minimum.
5. Discontinue water supply.
6. Stop engine within 30 seconds.
7. Remove the flush kit.
Only flush engine while running, otherwise water
from the exhaust can enter engine and cause
damage.
ATTENTION
ATTENTION
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