Hitchcocks Forum

Hi all putting back the engine to the frame (Indian 2003 Bullet) and can't find any torque values for the 4 nuts securing the gearbox to the engine and the bolts/nuts securing the front and bottom engine plates to the engine. Can somebody help me on this?... regards Jacob

Hi Jacob-------I can't find any Royal Enfield values but this attached chart will give you an idea-----it's a bit "techy" though}--------- http://www.norbar.com/Portals/0/downloa ... eGuide.pdf

If a manufacturer does not publish torque values for a particular part (or even if they do) there are innumerable charts on the net that will give you a good idea.
You should take in to consideration the diameter of the fastening, the thread form you are using and (particularly) the material you are screwing in to.
A bit of experience also helps; for instance, Enfield alloys are not the best in the world so don't go swinging on the spanner if the thread is in the engine casings. On the other hand, you would have to really overdo it to strip the engine plate fastenings.

Loctite is your friend but not on threads in aluminium.

Hi guys--where ever possible try to have a "stud and nut" situation rather than screw direct into aluminium OR--- consider the use of a thread insert..

Hi guys... thanks for informative answers. All the engine mounting plates are fasten with bolts and nuts all the way through the engine. Easy to tighten without a specific torque value, so I just do it with a little feeling. The 4 nuts keeping the gearbox in place I have tighten before with a drip of LocTite; no problems, I just do it again... Papa, why is it LocTite and aluminum doesn't do well together?

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JTL if you use locktite on a thread in aluminium it is likely to rip the thread out when you disassemble it.

Ah yes----but there is Loctite, and then there is Loctite, isn't it ??--take your pick}--------> http://www.loctite.co.uk/threadlocking-9150.htm

----- and don't forget to de-grease beforehand !