deffo sounds that way to me m8, its is soooo easy to do, sump off and just take em out and change em 1 at a time, its the bearing that sits on the crank for the piston rods, probly cost £50 all in cos will need to dump the oil and filter!! sure someone will give you step by step, im more into tuning and tweaking than the actual manual stuff, my m8 handles that side i just tell him what i want done lol