Ariel JGJ Series, Technical Manual

Page: 18 / 141

F
OR
M
ODELS
: JGW, JGR
AND
JGJ S
ECTION
1 - D
ESIGN
S
PECIFICATIONS
& D
ATA
PAGE 1 - 12 1/01
T
ABLE
1-8: P
ISTON TO
B
ORE
C
LEARANCE AND
P
ISTON
/ R
IDER
R
ING
E
ND
G
AP
, I
NCHES
(mm) -
W, R & J C
LASS
C
YLINDERS
.
BORE
DIAMETER
PISTON TO BORE CLEARANCE
PISTON RING END GAP
NEW MAXIMUM
1.75 (44)
Uses Wearbands, see Table 1-9 on page 1-13 and Table 1-10 on page 1-14
2 (51)
3.625 (92) 0.090 to 0.096 (2.29 to 2.44) 0.044 to 0.060 (1.12 to 1.52) 0.180 (4.57)
3.875 (98) 0.090 to 0.096 (2.29 to 2.44) 0.045 to 0.061 (1.14 to 1.55) 0.183 (4.65)
4.125 (105) 0.090 to 0.096 (2.29 to 2.44) 0.049 to 0.065 (1.24 to 1.65) 0.195 (4.95)
4.25 (108) 0.090 to 0.096 (2.29 to 2.44) 0.050 to 0.066 (1.27 to 1.68) 0.198 (5.03)
4.625 (117) 0.090 to 0.096 (2.29 to 2.44) 0.056 to 0.072 (1.42 to 1.83) 0.216 (5.49)
4.75 (121) 0.090 to 0.096 (2.29 to 2.44) 0.057 to 0.073 (1.45 to 1.85) 0.219 (5.56)
5.125 (130) 0.090 to 0.096 (2.29 to 2.44) 0.062 to 0.078 (1.57 to 1.98) 0.234 (5.94)
5.5 (140) 0.090 to 0.096 (2.29 to 2.44) 0.068 to 0.084 (1.73 to 2.13) 0.252 (6.40)
6 (152) 0.090 to 0.096 (2.29 to 2.44) 0.074 to 0.090 (1.88 to 2.29) 0.270 (6.86)
6.125 (156) 0.090 to 0.096 (2.29 to 2.44) 0.069 to 0.099 (1.75 to 2.51) 0.297 (7.54)
6.375 (162) 0.090 to 0.096 (2.29 to 2.44) 0.073 to 0.103 (1.85 to 2.62) 0.309 (7.85)
6.5 (165) 0.090 to 0.096 (2.29 to 2.44) 0.074 to 0.104 (1.88 to 2.64) 0.312 (7.92)
7 (178) 0.090 to 0.096 (2.29 to 2.44) 0.091 to 0.121 (2.31 to 3.07) 0.363 (9.22)
7.125 (181) 0.090 to 0.096 (2.29 to 2.44) 0.083 to 0.113 (2.11 to 2.87) 0.339 (8.61)
7.375 (187) 0.090 to 0.096 (2.29 to 2.44) 0.097 to 0.127 (2.46 to 3.23) 0.381 (9.68)
7.5 (191) 0.090 to 0.096 (2.29 to 2.44) 0.088 to 0.118 (2.24 to 3.00) 0.354 (8.99)
8 (203) 0.090 to 0.096 (2.29 to 2.44) 0.106 to 0.136 (2.69 to 3.45) 0.408 (10.36)
8.375 (213) 0.090 to 0.096 (2.29 to 2.44) 0.112 to 0.142 (2.84 to 3.61) 0.426 (10.82)
8.5 (216) 0.090 to 0.096 (2.29 to 2.44) 0.114 to 0.144 (2.90 to 3.66) 0.432 (10.97)
8.875 (225) 0.090 to 0.096 (2.29 to 2.44) 0.120 to 0.150 (3.05 to 3.81) 0.450 (11.43)
9.25 (235) 0.090 to 0.096 (2.29 to 2.44) 0.125 to 0.155 (3.18 to 3.94) 0.465 (11.81)
9.75 (248) 0.090 to 0.096 (2.29 to 2.44) 0.133 to 0.163 (3.38 to 4.14) 0.489 (12.42)
10.375 (264) 0.090 to 0.096 (2.29 to 2.44) 0.142 to 0.172 (3.61 to 4.37) 0.516 (13.11)
10.5 (267) 0.090 to 0.096 (2.29 to 2.44) 0.144 to 0.174 (3.66 to 4.42) 0.522 (13.26)
11 (279) 0.090 to 0.096 (2.29 to 2.44) 0.152 to 0.182 (3.86 to 4.62) 0.546 (13.87)
11.5 (292) 0.090 to 0.096 (2.29 to 2.44) 0.160 to 0.190 (4.06 to 4.83) 0.570 (14.48)
13 (330) 0.090 to 0.096 (2.29 to 2.44) 0.182 to 0.212 (4.62 to 5.38) 0.636 (16.15)
13.5 (343) 0.090 to 0.096 (2.29 to 2.44) 0.190 to 0.220 (4.83 to 5.59) 0.660 (16.76)
15.25 (378) 0.090 to 0.096 (2.29 to 2.44) 0.216 to 0.246 (5.49 to 6.25) 0.738 (18.75)
15.75 (400) 0.090 to 0.096 (2.29 to 2.44) 0.224 to 0.254 (5.69 to 6.45) 0.762 (19.35)
16.75 (425) 0.090 to 0.096 (2.29 to 2.44) 0.239 to 0.269 (6.07 to 6.83) 0.807 (20.50)
17.25 (438) 0.090 to 0.096 (2.29 to 2.44) 0.247 to 0.277 (6.27 to 7.04) 0.831 (21.12)
19 (483) 0.090 to 0.096 (2.29 to 2.44) 0.273 to 0.303 (6.93 to 7.70) 0.909 (23.09)
19.5 (495) 0.090 to 0.096 (2.29 to 2.44) 0.281 to 0.311 (7.14 to 7.90) 0.933 (23.70)