Product Manual

3. Service Limit
CYLINDER BORE PISTON / SKIRT OUTER DIA. PISTON PIN
BORE PISTON PIN
OUTER DIA. CON-ROD BIG END SIDE CLEARANCE CON-ROD SMALL END SIDE CLEARANCE CRANKSHAFT ECCENTRICITY CRANKSHAFT JOURNAL DIA.
(PTO) CRANKSHAFT JOURNAL DIA.
(STARTER) CLUTCH DRUM INNER DIA.
CLUTCH DRUM SHAFT DIA.
MODEL MAX. MIN. MAX. MIN. MAX. MAX. MAX. MIN. MIN. MAX. MIN.
TBC-230B series 31.04 30.80 8.05 7.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-230 series 31.04 30.80 8.05 7.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-250PF series 33.04 32.80 8.05 7.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-2501 series 34.04 33.80 10.05 9.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-270PF series 33.04 32.80 9.05 8.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-270series 35.03 34.80 8.05 7.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-290 series 34.53 34.30 9.05 8.96 0.50 - 0.10 11.90 11.90 55.00 11.95
TBC-340 series 37.03 36.80 9.05 8.96 0.50 - 0.10 11.90 11.90 79.00 11.95
TBC-420PF
TBC-430PF series
39.84 39.60 10.05 9.96 0.50 - 0.10 14.90 14.90 79.00 14.95
TBC-4200 series 39.84 39.60 10.05 9.96 0.50 - 0.10 14.90 14.90 79.00 14.95
TBC-550 series 43.04 42.80 10.05 9.96 -
0.50 0.10 14.90 14.90 79.00 14.95
TBC-600 43.04 42.80 10.05 9.96 - 0.50 0.10 14.90 14.90 79.00 14.95
Grass trimmers/Brush cutters
PISTON RING
END GAP
MAX. 0.80 mm
PISTON RING
SIDE CLEARANCE
MAX. 0.15 mm
For ALL MODELS
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