Ontario Crank Service

08/10/2026

CHECK OUT !!! Are 5.0L Volvo Penta rebuilds from start to finish and if you enjoy the content FOLLOW US! So you don't miss a thing

08/05/2026

🚤 Protect Your Boat This Winter with OCS!

Professional shrink wrapping, secure indoor and outdoor storage, and complete winterization services—all in one place. Protect your investment from snow, ice, moisture, UV damage, dirt, leaves, and debris.

Spaces fill quickly—book your winter service today!

📍 300 Matchedash St. S., Orillia
📞 705-329-7222

07/28/2026

07/24/2026

Make you appointment today and beat the storm of winterization
and storage of your BOAT or PWC

07/04/2026

Ontario Crank Service
Yanmar 3GM30 Rebuild ready to go back to it owner fresh and new

06/19/2026

"Located at 300 Matchedash Street S in Orillia, OCS Marine Services is a full-service marine and powersports repair facility serving recreational boaters throughout the Lake Simcoe and Trent-Severn region. Their experienced technicians provide mechanical repairs, maintenance, engine rebuilding, machine shop services, and parts support for a wide range of boats and personal watercraft.
Are on site staff are ready to answer and perform any service or repair needed as well as are on-site machine shop and engine rebuilding capabilities allow many specialized repairs to be completed locally, helping boaters get back on the water quickly. "

03/31/2026

This out drive came in with some interesting damage. Thankfully our team of specialist marine mechanics were able to source replacement parts, get it all fixed up and ready for boating this summer!!

Do you have a boat drive that needs some love? Let us give you a hand!

03/27/2026

Check out this Gen5 454 motor we’re rebuilding! Bored out with matching pistons and rebound crank. It looks pretty cook torn apart and is going to be a sweet engine once back together and installed!!

Do you need an engine rebuild? Contact us!

03/06/2026

Do you think you’ve got a good shape crank? We were surprised with this one!

02/09/2026

Check out these details on that small block Chevy engine. Finesse is the name of the game!