2003 Bombardier Outlander 400 Factory Service Manual, Page 139Get this manual
Subsection 09
Section 03 ENGINE (CYLINDER AND HEAD)
CAUTION: Always replace disassembled piston circlip(s) by new onesPlace rag on cylinder base to avoid dropping the circlip inside the engine Place circlip no43 in sleeve as per following illustration3 A
R400motr98A
1Connecting rod small end AConnecting rod small end diameter
Replace crankshaft if diameter of connecting rod small end is out of specificationsRefer to CRANKSHAFTBALANCER SHAFT for removal procedure
R400motr100A
Installation
For installation, reverse the removal procedurePay attention to the following detailsApply engine oil on the piston pinInsert piston pin into piston and connecting rodCAUTION: Take care that piston will be installed with the punched arrow on piston top to the exhaust side