slide hole
2.500mm is 0.098"
2.778mm is 0.109" (7/64") is the maximum this can be drilled out

exhaust valve tolerance - .25-.30mm
intake valve - .15-.20mm

Engine Covers and Sprocket Cover (all to 9NM):
M6 x 75 quantity = 5
M6 x 50 quantity = 15
M6 x 45 quantity = 2
M6 x 40 quantity = 8
M6 x 30 quantity = 7
M6 Washer quantity = 37

Carbs:
M4 x 14 quantity = 8
M4 x 8 quantity = 8
M4 Washer quantity = 16

Here's a handy link to convert fractions to inches to millimeters:

http://mdmetric.com/tech/cvtcht.htm

Here's a link to a free program that will convert just about anything to anything.

Convert

Thanks Derek!

Triumph Handlebar Dimensions
(Scroll down to the bottom of the page)

Valve Adjustment shim calculator courtesy of member dinqua.

Pat's Dinkulator.

Download and execute!

For determining what size jets to use with what pipes and airbox setups. Good for the 790/904cc 270º motors. May be close enough for the 865cc motors as well.
Jetting Calculator

From Fischercat.



Without shrouds 41mm , With Shrouds I believe 55mm.