Aprilia 125 Leonardo / ST Air & Oil Filter
The Aprilia 125 Leonardo / ST (1996-2005) takes a HF185 oil filter and a HFA6111DS air filter.
Shop the HF185 filter Amazon · we may earn a commission, at no extra cost to you
Key takeaways
- Oil filter: HF185.
- Air filter: HFA6111DS.
- Change the oil filter at every oil change; check the air filter each service.
- Covers 1996-2005.
Verified fitLast checked
Sources: Hiflofiltro application catalogue
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
Buy the filters for your Aprilia 125 Leonardo / ST
Shop the HF185 oil filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop Shop the HFA6111DS air filterDirect fit + equivalents (Hiflofiltro, K&N, OEM)Shop
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What oil filter does a Aprilia 125 Leonardo / ST take?
The Aprilia 125 Leonardo / ST takes a HF185 oil filter. That part number, or a listed equivalent, is a direct fit.
What air filter does a Aprilia 125 Leonardo / ST take?
The Aprilia 125 Leonardo / ST takes a HFA6111DS air filter. That part number, or a listed equivalent, is a direct fit.
How often should I change the filters on a Aprilia 125 Leonardo / ST?
Change the oil filter at every oil change, and inspect the air filter at each service - replace it when dirty, sooner if you ride in dust or off-road. Always follow your owner's manual interval.
More parts for your Aprilia 125 Leonardo / ST
We cover the other consumables for your machine too - the exact fit, cited, in one place.