2004 Bombardier Outlander 330/400 Factory Service Manual, Page 143Get this manual
Section 03 ENGINE Subsection 09 (CYLINDER AND HEAD)
Pull cylinder no41Discard cylinder gasket no42CYLINDER TAPER IN DIAMETER NEW MAXIMUM SERVICE LIMIT 0.038 mm (.0015 in) 0.090 mm (.004 in)
Distance between measurements should not exceed the service limit mentioned above1
Cylinder Out of Round Measure cylinder diameter in piston axis direction from top of cylinderTake another measurement 90 from first one and compareNOTE: Take the same measuring points like described in CYLINDER TAPER above
R400motr90A
Cylinder Piston assembly Cylinder base gasket Camshaft timing chain
Inspection
Cylinder Check cylinder for cracks, scoring and wear ridges on the top and bottom of the cylinderIf so, replace cylinderCylinder Taper Measure cylinder bore and if it is out of specifications, replace cylinder and piston ring set no46Measure cylinder bore at recommended positionsSee the following illustration3 A