Piston YAMAHA JOG 50 - 40,00 SEE TW

Piston for a YAMAHA JOG 50 engine, 40,00 mm in diameter. The photo marks five measurements, and when choosing, the first two are the diameter and the pin bore.

• A piston with rings is replaced together with the cylinder, or after it has been rebored: worn, it loses its seal, compression drops, a rattle appears in a cold engine and oil consumption grows
• What "SEE TW" at the end of the name means, the maker did not write, and we do not guess – the same mark appears on other items in this list too
• Marked in the photo: diameter 40,00 mm, from the base to the pin axis 22 mm, overall height 49 mm, pin diameter 10 mm, pin length 32 mm
• The photo shows a set: piston, pin, two compression rings, one thin ring and two circlips
• In this card the photo is shared by three YAMAHA cards – 40,00, 44,00 and 47,00 – and differs between them only in the numbers written on it; the piston itself was photographed on its own, so we do not describe its appearance based on it
• The photo itself has no scale: no ruler and no object placed next to it for comparison. Only the numbers written in the callouts give the size, so measure your cylinder bore
• If the piston is still sound but compression is dropping, rings alone may be enough: rings of the same 40,00 mm diameter are in the list – "Piston rings PEUGEOT BUXY STD 40,00mm", but that is a set from a different line, PEUGEOT BUXY; whether it will fit your engine, the maker did not write – write us your model, we will check
• You will recognise a worn piston by a rubbed-smooth side, too large a gap in the rings, and imprinted marks near the pin bore; the rings are always replaced together with the piston

To be straight with you: which specific model and year it is for, the maker did not write, and we do not guess – write us your model and year. Before ordering, measure your cylinder bore and the diameter of the old pin – or send a photo with calipers in it: we will check it before you order.

24-month warranty · tel. +370 685 777 56