Details of my little OS10FP, which was the smallest in the FP range, being only 0.1073 cubic inches or 1.76cc in capacity.

When I bought this engine from eBay it was listed as a non runner, this was traced back to the cylinder liner being inserted 180° out of kilter, as I detailed in this post.

I keep a copy of the manual for the whole FP range, here. If for any reason that fails, please email me.

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