Piston Ring/Piston Rings Groove Clearances - Husqvarna SMR Owner's Manual

PISTON RING/PISTON RINGS GROOVE CLEARANCE
Use a feeler gauge to check the axial play (H) of the rings in
the groove.
The "TOP" marking should always be uppermost.
PISTON RING CUT SETTING
72
RING NOMINAL CLEARANCE
"A" TE, TC 250: 0,011÷0,033 mm
"A" TC 450-510: 0,070÷0,110 mm
"A" TE-SMR 450: 0,065÷0,100 mm
"A" TE-SMR 510: 0,030÷0,065 mm
"B" TE-SMR 450: 0,035÷0,070 mm
"B" TE-SMR 510: 0,020÷0,055 mm
"C" TE, TC 250: 0,040÷0,110 mm
"C" TC 450-510: 0,040÷0,120 mm
"C" TE- SMR 450: 0,020÷0,110 mm
"C" TE- SMR 510: 0,010÷0,180 mm
*: "d" CUT POSITION
PISTON RING CUT SETTING
WEAR LIMIT
0,07 mm
0,22 mm
0,24 mm
0,13 mm
0,15 mm
0,11 mm
0,22 mm
0,24 mm
0,20 mm
0,35 mm
*: "d" CUT POSITION