Service Rules; Symbols Used In This Manual; Serial Number Locations - Honda BF135A Manual

3. SERVICE RULES

1. Use genuine Honda or Honda-recommended parts and lubricants or their equivalents. Parts that do not meet Honda's
design specifications may damage the unit.
2. Use the special tools designed for the product.
3. Install new gaskets, O-rings, etc. when reassembling.
4. When torquing bolts or nuts, begin with larger-diameter or inner bolts first and tighten to the specified torque
diagonally, unless a particular sequence is specified.
5. Clean parts in cleaning solvent upon disassembly. Lubricate any sliding surfaces before reassembly.
6. After reassembly, check all parts for proper installation and operation.
7. Many screws used in this machine are self-tapping. Be aware that cross-threading or overtightening these screws will
strip the threads and ruin the hole.
8. Use only metric tools when servicing this unit. Metric bolts, nuts and screws are not interchangeable with non-metric
fasteners. The use of incorrect tools and fasteners will damage the unit.

4. SYMBOLS USED IN THIS MANUAL

As you read this manual, you may find the following symbols with the instructions.
A special tool is required to perform the procedure.
Apply grease.
: Use molybdenum oil solution (mixture of the engine oil and molybdenum grease with the ratio 1 : 1).
(Molybdenum
disulfide oil)
Apply oil.
○ x ○ (○) Indicates the diameter, length, and quantity of metric flange bolts used.
P. 1-1 Indicates the reference page.

5. SERIAL NUMBER LOCATIONS

The engine serial number is stamped on the right side of the cylinder block and the product identification number is
located on the right side of the stern bracket. Always specify these numbers when inquiring about the engine or when
ordering parts in order to obtain the correct parts for the outboard motor being serviced.
ENGINE SERIAL NUMBER
PRODUCT IDENTIFICATION NUMBER
2-2