Piston Ring/Cylinder Clearance - Husqvarna SMR Owner's Manual

PISTON RING/CYLINDER CLEARANCE

IInsert the piston ring into the cylinder top (hold the piston
ring with the piston), position it well in "square" and measure
the distance (H) between the two piston ring end gap.
250 (A): 0,20÷0,35 mm/0.00787÷0.0138 in.
TE-SMR 450, TC-TXC 510 (A): 0,25÷0,40 mm/0.0094÷0.0157 in.
TE-SMR 510 (A): 0,20÷0,45 mm/0.00787÷0.0177 in.
TE-SMR 450, TC-TXC (B): 0,40÷0,55 mm/0.0157÷0.0216 in.
TE-SMR 510 (B): 0,20÷0,45 mm/0.00787÷0.0177 in.
250 (C): 0,20÷0,70 mm/0.00787÷0.0275 in.
TE-SMR 450, TC-TXC 510 (C): 0,20÷0,70 mm/0.00787÷0.0275 in.
TE-SMR 510 (C): 0,10÷0,20 mm/0.00394÷0.0787 in.
250
TE 250; TC-TXC 250/450/510
450-510
NOMINAL CLEARANCE (H)
WEAR LIMIT
250 (A): 0,5 mm/0.0197 in.
TE-SMR 450, TC 510 (A): 0,7 mm/0.027 in.
TE-SMR 510 (A): 0,7 mm/0.027 in.
TE-SMR 450, TC (B): 1 mm/0.0394 in.
TE-SMR 510 (B): 0,7 mm/0.027 in.
250 (C): 1,2 mm/0.047 in.
TE-SMR 450, TC 510 (C): 1,2 mm/0.047 in.
TE-SMR 510 (C): 0,35 mm/0.014 in.
TE-SMR 450/510
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