Service Manual
Page 28 of 50

*NOTE* This service manual is for a NON EN10 modified engine. Whilst most of the information is relevent, there are some critical differences.
For more information on EN10 modified engines, please contact
Mick Broom at Broom Development Engineering on +44 (0)1327 353023

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Once the tension on the sleeve nuts is released the tie rods may be unscrewed from the head; noting that the fixing into the head is of necessity a left hand thread, (8mm or 5/16"A.F.).

Note: Do not attempt to turn the tie rods until the sleeve nuts have been released.
Take care when releasing the last tie rod on the front cylinder, that the head does not fall off or the valve buckets drop out.
When the head is released the cylinder barrel may be eased from the crankcase taking care as the barrels are removed not to damage the piston assembly.

Note: Do not disturb the barrels needlessly.
The easiest way to refit the barrel is to first assemble the piston into the barrel, and then onto the rod; alternatively the piston may be left in place and located by means of a wooden peg through the gudgeon pin, while the rings are eased into the cylinder bore. Ring compressors are not necessary.

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