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NOTE: The 1984 Bombardier snowmobiles are
using three
(3)
spark plug types, Bosch spark plugs,
NGK spark plugs and Nippondenso spark plugs.
BOSCH SPARK PLUG TYPE
(Elan)
SPARK PLUG NUMBERING SYSTEM
Bosch has introduced a new numbering code for its com-
plete line of spark plugs. The new code is shorter, there-
fore easier to use
.
The following charts will assist you
in making the change-over easily and effectively.
IMPORTANT: The new code has a different heat range
identification system.
High number
Low number
hot plug
cold plug
1984 CROSS REFERENCE CHART
List of Bosch spark plugs used on 1984 Bombardier
snowmobiles.
New number
Old number
M7A
M 175 T 1
SECTION 04 ELECTRICAL SYSTEM
SUB-SECTION 03 (SPARK PLUGS)
SPARK PLUGS
PAGE 297
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