2 - 7
TECHNICAL DATA
PISTON
STANDARD
Clearance between piston and cylinder
0.05 ~ 0.07 mm
A
B
C
Piston diameter “A”
Ø 65
Piston height “B”
25 mm
Pin “C” seat
diameter
Ø 16
Piston pin outer diameter
Ø 16
Top ring
A
B
Type of ring
elastic
Size “A” X ”B”
2.3 x 0.8 mm
2nd ring
B
A
Type of ring
elastic
Size “A” X ”B”
2.3 x 0.8 mm
Oil scraper ring
B
A
Size “A” X ”B”
2.26 x 1.93 mm
CONNECTING RODS
STANDARD
Bearing colour code
A = Red B = Blue C = Yellow
Connecting rod code
K1 = Black K2 = Green K3 = White
K4 = Brown K5 = Orange
DRIVE SHAFT
STANDARD
B
C
B
B
A
Width “A”
269.5 mm
Maximum eccentricity “B”
22.6 ± 0.01 mm
Connecting rod head side clearance “C”
0.1 - 0.25
Main bearing colour code
A = red B = blue C = yellow
ENGINE SPECIFICATIONS
- 0.002
- 0.003
mm
- 0.002
- 0.003
mm
0
0.008.
mm
COPY - Moto GB - Grant Martland - [email protected]
Содержание TRK 502
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