Poeton Aptec warrants repair to be fit for purpose as it leaves our premises and it is the duty of the engine builder to ensure parts are fitted correctly and that correct recommended clearances are maintained at all times. This limited warranty does not apply to any product that has been used for any high-performance application, or racing, or subject to misuse, mishandling, neglect (including but not limited to improper maintenance), improper installation, modification, repair or adjustment performed by any 3rd party.

Steel/Brass parts All steel parts should be removed by the customer prior to sending the cylinder. Steel parts will not survive the re-plating process and as such we cannot take any responsibility for their condition after processing. We will however try to mask any parts that cannot be removed, but without liability. Any removable parts that are left in place will be removed, if possible, prior to processing and a charge made for this; if the part breaks or cannot be removed and is lost in process then we will not accept liability for this.

Welds

Welds in cast aluminium will often lead to a porous structure depending on the quality of the casting. Our Apticote Ceramic 2000 coating will not fill these holes and so some pitting may be evident in the honed finish which cannot be avoided due to the nature of aluminium castings. This does not usually lead to an adhesion problem, but if the casting is very porous and oils are trapped in these pores prior to processing this could then lead to an adhesion issue. Two stroke port bridges often crack and can be repaired, however it must be noted that this is a repair to the cylinder structure and that there is a reason for the failure in the first place. If this is not addressed by the owner then it is likely the bridge will crack again at some point which we will not accept liability for. When welding inside exhaust ports there is often need to dress weld back to allow operation of the power valve, this should be provided by the customer when this kind of work is required.

Size Parts will be reprocessed when possible to the manufacturer’s nominal bore size, unless a piston and bore clearance have been provided. Where parts are overbored above the manufacturer’s nominal bore size then no liability will be accepted for geometric tollerancing (as thin walled cylinders will deflect when honing) or for the suitability of bore size. Oversized cylinders have been known to crack due to their smaller cylinder wall thickness.

Lien
For so long as any account remains unpaid we shall have an absolute right of lien upon any of your goods that may be in our possession or under our control and we may enforce such lien whenever and to the extent that any payment is three months’ overdue without previous notice to you.