page 4
May 01/2007
Effectivity: 912 Series
Edition 1 / Rev. 0
d04050
INSTALLATION MANUAL
BRP-Rotax
12.3) Coolant types ........................................................................................................... 49
12.4) Check cooling system - Efficiency of the cooling system .......................................... 50
12.4.1) Measurement of cylinder head temperature and exit temperature ...................... 50
12.5) Determination of operating limits, Coolant and necessary modification
on radiator installation .............................................................................................. 52
12.6) Requirements on the cooling system ........................................................................ 54
12.7) Size and position of connections .............................................................................. 55
12.8) Feasible location of radiator...................................................................................... 58
12.9) General directives for the cooling system ................................................................. 61
12.10)Coolant capacity ....................................................................................................... 63
12.11)Cooling air ducting .................................................................................................... 63
12.11.1) General directives for ducting of the cooling air .................................................. 64
12.12)Data for optional components of cooling system....................................................... 65
13) Lubrication system ............................................................................................. 67
13.1) Description of the system ......................................................................................... 67
13.2) Limits of operation .................................................................................................... 68
13.3) Checking of the lubrication system ........................................................................... 69
13.3.1) Measuring of the vacuum ..................................................................................... 69
13.3.2) Measuring of the pressure in the crankcase ....................................................... 70
13.4) Requirements on the oil- and venting lines ............................................................... 71
13.5) Connecting dimensions and location of connections ................................................ 72
13.5.1) Oil circuit (engine) ................................................................................................ 72
13.5.2) Oil tank .................................................................................................................75
13.6) Feasible position and location of the oil tank ............................................................ 76
13.7) Feasible position and location of the oil cooler ......................................................... 77
13.8) General notes on oil cooler ....................................................................................... 77
13.9) Filling capacity .......................................................................................................... 77
13.10)Purging of lubrication system ................................................................................... 78
13.11)Inspection for correct priming of hydraulic valve tappets........................................... 79
13.12)Replacement of components .................................................................................... 80
13.13)Data for optional components of oil system .............................................................. 81
14) Fuel system ......................................................................................................... 83
14.1) Description of system ............................................................................................... 83
14.2) Operating limits ........................................................................................................ 85
14.3) Requirements of the fuel system .............................................................................. 86
14.4) Connecting dimensions, location of joints and directives for installation ................... 87
14.4.1) fuel manifold ......................................................................................................... 87
14.4.2) Fuel pressure control ........................................................................................... 88
14.4.3) Check valve ......................................................................................................... 89
15) Carburetor ............................................................................................................ 91
15.1) Requirements on the carburetor ............................................................................... 91
15.1.1) Drainage piping on airbox and drip trays.............................................................. 92
15.2) Connections for Bowden-cable actuation and limit load............................................ 94
15.3) Requirements on cable actuation ............................................................................. 96
15.4) Requirements on the throttle lever ............................................................................ 97