Get your mower back to work with a new John Deere Z425 engine replacement with a complete installation kit! Our kit includes everything you need to install a new Honda GXV630 or GXV690 in your John Deere zero-turn mower.
Repower Specialists has been in the business for over thirty years. We understand first-hand how important it is to have your machine functioning at its highest capacity and we are ready to help! Our company prides itself on its customer support. We provide unlimited technical support throughout the process. Additionally, our kits come with a "kit guarantee." This means we are sending you everything necessary to convert your machine from the old engine to the new (unless otherwise stated). If you need something, call us and we will get it sent out free of charge.
The John Deere Z425 kits come with:
Please Note - If you have a 1" shaft and would like the Honda GXV690, that engine needs custom built so there is a significant price increase. There also will likely be a 1-2 business day delay in shipping.
Equipment Modifications
-The lip on your chassis floor needs to be trimmed to accommodate the exhaust manifold. A support bar is sent with the kit for reinforcement. Please see the pictures for more details.
Engine Information
Kohler CV752:
Advanced Performance
-Starts effortlessly in all weather conditions, from 0 to 110 degrees
-Standard 10% governor delivers power faster
Lasting Durability
-Automotive-grade head gasket improves durability, reliability and Hydraulic lifters mean zero maintenance on the valve train
Service and Support
-Kohler’s Global network of more than 13,000 dealers stock parts to minimize downtime
Honda GXV630 / GXV690:
Fuel Efficient Operation
- Fuel economy is similar to fuel injection, with the simplicity of carburetion
- Two-barrel inner-vent carburetor for more precise fuel metering
High Output Performance
- Hemispherical combustion chamber
- Forged steel crankshaft
- Pressure fed crankshaft bearings
Proven Reliability
- High capacity pump facilitates consistent oil delivery
- Large diameter air intake for superior cooling
- High efficiency cooling fan
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov