Crankshaft/piston schematic Honda Sa50 Vision 1991 England

When you see the official Honda name and number on the packaging, you know you are fitting the best parts to your Honda.
This great value PISTON is one of THE most important parts of the engine, stopping oil smoke, maintaining compression and power. You could possibly buy cheaper items from Far Eastern manufacturers - but would you want to take that chance - unlikely!
A related item you may wish to consider:

13102GN2870

Fitting new genuine Honda PISTON PINS will mean that the best possible parts have been used, helping to ensure top performance, low oil consumption, correct oil feed to the 'little end' combined with long term durability.
These are other related bearing in this group of parts you may require Please do make sure that any part numbers specified are compatible with your model:

13381122690
13201122300

If you run or are restoring one of these superb lightweight Honda models then you will already be aware of just how scarce parts are becoming for these beguiling models - that said if you wish to order this CON ROD, order sooner rather than later.

Fitting a new CRANKSHAFT is advisable when rebuilding the engine. The old item/s may well have worn and could allow a 'loose' big end bearing with potentially catastrophic engine damage and a most unpleasant noise!

Precision items that should always be replaced when rebuilding the engine. The accurate alignment of the crankshaft assembly is dependant on this WOODRUFF KEY and is of paramount importance!