background image

MODEL BC FOR 40 HP YAMAHA SERIES 

ASSEMBLY INSTRUCTIONS 

YAMAHA MODEL 40XMH, 2 CYLINDER, 2 STROKE, 42.9 CU. IN. 

 

3

 
SETTING MOTOR HEIGHT 

 

 

CAUTION  

When starting the engine for the first time, watch to see that the cooling water comes out of the small hole 
at the rear side of the engine just below the power head.  This is to check your assembly of the cooling 
water pump and its connections

 
MAINTENANCE AND LUBRICATION 

See last page 

STRAIGHT 
EDGE 

Summary of Contents for 40XMH

Page 1: ...ube extension If there is a burr on the end of the motor cooling tube file it smooth so the O ring inside the water tube extension will slide on 6 The large adapter plate is attached to the exhaust ho...

Page 2: ...ock condition is no met readjust the cable positions 12 When converting to jet drive your motor will have to be raised to height shown in diagram on page 3 using a straight edge under the boat Test ru...

Page 3: ...TOR HEIGHT CAUTION When starting the engine for the first time watch to see that the cooling water comes out of the small hole at the rear side of the engine just below the power head This is to check...

Page 4: ...ch slide play for the rod end between the nuts 6 Direct the other end of the cable through the gap between the motor mount and motor mid section to the starboard side Attach the cable anchor bracket t...

Page 5: ...ht to remove any play between the impeller and shaft Note the position of the impeller shim washers and replace them in the same order REVERSE GATE MECHANISM Occasionally check adjustment of the gate...

Page 6: ...1 543 CLAMP CHRYS 154317 3 1 542 SHIM MORSE A035777 4 2 561 FIL HD SLOTTED 10 24 X 5 8 5 2 619 NYLOC 10 24 6 1 553 2 BALL END 1 4X10 32 CABLE 7 1 1913 SHIFT HANDLE SHAFT ASSY BC 8 2 633 WASHER 1 4 X...

Page 7: ...MODEL BC ANODE KIT 1693...

Page 8: ...E HOSE ASSY 67 1 22 1 SHAFT NUT 5 8 18 BRASS 21 1 539 ZIRC FITTING 1 4 28 1447 INTAKE ASSY 6 1 8 FLANGED W GRILL LINER 22 1 550 GREASE GUN 68 1 1521 LINER 6 1 8 FLANGED 23 1 552 GREASE 10 OZ TUBE 630...

Page 9: ...MODEL BC...

Page 10: ...MODEL BC...

Reviews: