We have new replacement Kohler Command engines, or a new replacement Honda GX630 with a complete installation kit for your Exmark Lazer Z riding mower! Our Honda kit includes everything you need to install a new engine in your Exmark with Kohler CH18. The mower engine replacement kit comes with:
**Please Note**
- With all of our repower options, we include a wiring harness or pigtail, however you will need to splice a few wires. We provide detailed instructions that will guide you through the wiring procedure.
- If you purchase the ECH749 you will need to drill and tap your original muffler, and then weld in an 02 sensor bung in order to add the O2 sensor (by following the provided instructions,) or purchase a new muffler that comes with the O2 port.
Engine Information
Honda GX630:
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
Kohler CH740:
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
Kohler ECH749:
All-Out Performance
- Advanced sensor technology allows engine to optimize performance by adapting to operating conditions
- Exclusive Closed-Loop technology
Reliability
- No choking and no priming
- 3-year unlimited-hour commercial warranty
- Starts like your car – just turn the key and go
Huge Savings
- Saves significantly on fuel, with less downtime for refueling*
- No carburetor – no carburetor maintenance or replacement costs
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.
If you are unsure which engine is right for your usage, feel free to give us a call at 1-800-700-9501!