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TECHNICAL INFORMATION
Subject Change of Carburetor etc.
Y04544
(Page 1 of 2)
For Models EM4250, EM4251, EM4340, EM4340L, EM4341, MS251.4, MS350.4C, MS350.4U, MS351.4U
Country See next page.
Description For complying with EU emission regulation;
A) Carburetor has been changed.
B) Spark arrester has been added.
C) Jet, Plug and Throttle valve ass'y for repair have been stopped supplying.
See shown below for the detail.
Current New
1 Carburetor WYL116 Carburetor WYL125
2 Main jet #35.5 Main jet #34.5
3 Plug for adjustment of Plug is factory-adjusted. Component parts of
flow rate can be supplied carburetor 5926002002/
for repair purpose. 5926009000
4 Throttle valve ass'y Throttle valve ass'y is factory-adjusted.
5 Carburetor WYL173 Carburetor WYL174
6 Plug for adjustment of Plug is factory-adjusted.
flow rate can be supplied Component parts of
for repair repair purpose. carburetor 5936002000/
5936004000
7 Throttle valve ass'y Throttle valve ass'y is factory-adjusted.
8 Spark arrester is not Spark arrester (5923008010) is installed
installed in muffler. in muffler.
Interchangeability(I/C)
Item No. Line No. Current part Q'ty I/C New part Q'ty Note
Carburetor Carburetor
1 1 Yes 1
5926002002 5926009000
Jet Jet
2 1 No 1
5926002110 5196002020
Plug Component parts of
3 1 carburetor 5926002002/
5206008110
Throttle Valve Ass'y 5926009000
See 4 1
5926002010
next page. Carburetor Carburetor
5 1 Yes 5936004000 1
5936002000
Plug
6 1 Component parts of
5206008110
carburetor 5936002000/
Throttle Valve Ass'y
7 1 5936004000
5936002020
Spark Arrester
8 1
5923008010
Y04544
(Page 2 of 2)
Item No. and destination
Line No.
Part No. EM4250 EM4251 EM4252
of page 1.
1 Current:5926002002 Destination Austria, France, Italy, Austria, France, Italy, Spain, Australia
New:5926009000 Netherlands, Spain, Netherlands, Spain,
UK, Australia UK, Australia
Item No. 121 120 120
2 Current:5926002110 Destination Austria, France, Italy, Austria, France, Italy, Spain, Australia
New: 5196002020 Netherlands, Spain, Netherlands, Spain,
UK, Australia UK, Australia
Item No. 130 129 129
3 Current: 5206008110 Destination Austria, France, Italy, Austria, France, Italy, Spain, Australia
New: N/A Netherlands, Spain, Netherlands, Spain,
UK, Australia UK, Australia
Item No. 136 135 135
4 Current: 5926002010 Destination Austria, France, Italy, Austria, France, Italy, Spain, Australia
New: N/A Netherlands, Spain, Netherlands, Spain,
UK, Australia UK, Australia
Item No. 134 133 133
8 Current: N/A Destination Austria, France, Italy, Austria, France, Italy, Spain
New: 5923008010 Netherlands, Spain, Netherlands, Spain,
UK UK
Item No. 217 216 216
Line No.
Part No. EM4250 EM4251
of page 1.
5 Current: 5936002000 Destination Austria, France, Italy, Austria, France, Germany, Italy,
New: 5936004000 Netherlands, Spain, UK Netherlands, Spain, UK
Item No. 121 121
6 Current: 5206008110 Destination Austria, France, Italy, Austria, France, Germany, Italy,
New: N/A Netherlands, Spain, UK Netherlands, Spain, UK
Item No. 136 136
7 Current: 5936002020 Destination Austria, France, Italy, Austria, France, Germany, Italy,
New: N/A Netherlands, Spain, UK Netherlands, Spain, UK
Item No. 134 134
Implementation
Already implemented since August, 2004 production.