Clearances; Piston; Piston Groove Height - Husqvarna CR 125 2011 Workshop Manual

Clearances

To ensure the best operating conditions and maximum performance, all clearances must be within the specified tolerance. A tight
fit will lead to seizure as moving parts heat up; whereas a loose fit will cause annoying vibration resulting in early wear of moving
parts.
C
Workshop Manual Ed. 06-2011
ENGINE OVERHAUL
CR 125 2011 - WR 125 2011

Piston

Clean off any carbon deposits from piston crown and grooves. Perform a care-
ful visual inspection of the piston and check its dimensions. There should be no
signs of forcing, scuffing, cracking or other damage.
The piston diameter (D) shall be measured 15.5 mm (0.61 in.) from the
skirt bottom, perpendicularly to the piston pin axis.
3
H06563
3
H06861
Piston groove height (C)
Standard
1.02 ÷ 1.04 mm
(0.0401÷0.0409 in.)
H06565
G.6
Max. size limit
1.1 mm
(0.043 in.)