Triumph TR6 PI Operation Manual page 66

DATA
Piston grades and dimensions
Bore size: Grade A
Grade B
Piston top dia. Grade A
Grade B
Piston bottom dia. Grade A
Grade B
Pistom available - oversize
Groove width: top compression
2nd compression
Oil control
Piston rings
Top compression
- width
- thickness
- "diameter
- gap when fitted to above
dia. bore
- free gap
2nd compression
- width
- thickness
- diameter
-- gap when fitted to above
dia. bore
- free gap
Oil control - chrome rail
- width
- thickness
- diameter
- gap when fitted to above
dia. bore
Oil control - expander **rail**
- width
- thickness
- gap when fitted
Oversize rings
Gudgeon pin
- length
-- diameter
Connecting rod
- small end bush fitted
internal dia_
-- external diameter
- bend and twist in length
of gudgeon pin
Triumph TR6 Manll:.l.1. Part N<.). 545:!77 Issue :!
ENGINE
2"9405 - 2'9410 in (74'689 - 74'701 mm)
2"9411 - 2'9416 in (74'704 - 74'717 mm)
2"9363 - 2'9368 in (74'582 - 74'595 mm)
2"9369 - 2"9374 in (74'597 - 74'610 mm)
2"9380 - 2'9385 in (74'625 - 74'638 mm)
2'9386 - 2"9391 in (74'640 - 74'653 mm)
+0'020 in (+0'508 mm)
0-064 - 0'065 in (I '625 - 1'650 mm)
0'064 - 0'065 in (1'625 - 1'650 mm)
0'157 - 0'158 in (4' - 4' mm)
0'130 - 0'123 in (3"302 - 3'124 mm)
0-0615 - 0'0625 in (1'562 - 1'588 mm)
2"9405 in (74'689 mm)
0'012 - 0'017 in (0'304 - 0'431 mm)
0'390 - 0'516 in (9'9 - 13'1 mm)
0'123 - 0'130 in (3'124 - 3"302 mm)
0-0615 - 0'0625 in (I '562 - 1'588 mm)
2"9405 in (74'7 mm)
0'008 - 0-013 in (0'203 - 0'254 mm)
0"460 in (II '68 mm)
0'135 - 0'141 in (3"43 - 3'58 mm)
0'0230 - 0'0250 in (0'584 - 0-635 mm)
2"9405 in (74'7 mm)
0'015 - 0-055 in (0-381 - 1'397 mm)
0-125 in (3'17 mm)
0'1415 - 0'1515 in (3_594 - 3.838 mm)
NIL - ends to butt
+0'010 in (0'254 mm) +0'020 in (+0'508 mm)
+0.030 in (+0'762)
2'447 - 2'451 in (62'153 - 62'774 mm)
0'8123 - 0'8125 in (20-632 - 20.645 mm)
0'8122 - 0'8126 in (20-624 - 20-640 mm)
0"937 - 0"938 in (23-79 - 23 '82 mm)
0'0015 in Max. (0-038 mm Max_)
12.17.13 Sheet 4