2004 Bombardier Quest/Traxter Series Shop Manual, Page 135Get this manual
Subsection 08
Section 03 ENGINE QUEST (CYLINDER AND CYLINDER HEAD)
If chain is excessively worn or damaged, replace it as set (camshaft timing gear and timing chain)Further details refer to CRANKSHAFT AND BALANCER SHAFT section
CYLINDER HEAD
Removal
Lock crankshaft with crankshaft locking bolt (PN 529 035 617), refer to CRANKSHAFT AND BALANCER SHAFTDrain coolant (refer to COOLING SYSTEM)NOTE: Before removing cylinder head, blow out remaining coolant by air pressureDuring cylinder head removal, the remaining coolant in cylinder head could overflow into the engine and little quantity of coolant could drop into the engineIn this case, the engine oil will be contaminatedDisconnect temperature switchRemove: RH side cover seat support exhaust pipe and upper engine support (refer to REMOVAL AND INSTALLATION) engine outlet hose carburetor and pulse line tensioner valve cover shield valve cover and profile sealing ring (see VALVE COVER above) breather and notched washer decompressor camshaft timing gear cylinder head screws M6 no32