Suzuki Wagon R Plus RB310, Service Manual

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ENGINE MECHANICAL (M13 ENGINE) 6A2-67
Spring squareness
Use a square and surface plate to check each spring for square-
ness in terms of clearance between end of valve spring and
square. Valve springs found to exhibit a larger clearance than limit
given below must be replaced.
Valve spring squareness limit
1.6 mm (0.079 in.)
Pistons, Piston Rings, Connecting Rods and Cylinders Components
1. Top ring 8. Piston pin
2. 2nd ring 9. Piston pin circlip
3. Oil ring 10. Bearing cap nut
Tighten 15 N·m (1.5 kg-m, 11.0 lb-ft), 45° and 45° by
the specified procedure.
4. Piston Tightening torque
5. Connecting rod
: Apply engine oil to sliding surface except inner surface of big end, and rod bolts.
Make sure rod bolt diameter when reuse it due to plastic deformation tightening.
Refer to “Inspection” of “Connecting Rod”.
Apply engine oil to sliding surface of each parts.
6. Connecting rod bearing cap
: Point arrow mark on cap to crankshaft pulley side.
Do not reuse.
7. Connecting rod bearing