KTM FMF Fatty expansion chamber

KTM FMF Fatty expansion chamber

The FMF Fatty is a header pipe, or expansion chamber, for two-stroke engines from American brand FMF, supplied through KTM PowerParts. On a two-stroke the shape of this part strongly influences how the engine delivers its power, and the Fatty is a well-known choice among motocross and enduro riders. This is a genuine KTM part with part number A40505907000; check that number in the catalogue for your model before ordering.

Specifications

• Brand: KTM
• Part number: A40505907000

Frequently asked questions

Will this fit my motorcycle?
Compare part number A40505907000 with your current part, or send us the make, model and year of your motorcycle and we will check it for you.

How is it shipped?
Delivery time and shipping costs to your country are shown at checkout.

Anything in stock ships within 2 to 3 working days with tracking. Ordering something we source directly from the manufacturer? The delivery time is shown right on the product page. No fine print, no surprises. Questions about a delivery time? Email info@femon.nl and you'll get an answer from someone who actually rides.