Wrench Rabbit Complete 4-Stroke Engine Rebuild Kit - Suzuki DR-Z400 / DR-Z400S / DR-Z400SM / Kawasaki KLX400R (2000-2020)
Wrench Rabbit Complete 4-Stroke Engine Rebuild Kit - Suzuki DR-Z400 / DR-Z400S / DR-Z400SM / Kawasaki KLX400R
The ultimate one-stop shop in a box! This comprehensive engine rebuild kit contains nearly all components required for a complete and professional rebuild of your Suzuki DR-Z400 or Kawasaki KLX400R. Stop chasing down individual parts - get everything you need in one kit.
⚠️ Important Note
Not for kickstart models. This kit is designed for electric start models only.
Kit Includes
- Crankshaft - Hot Rods heavy-duty crank
- Piston Kit - Vertex piston with rings, pin, and clips
- Complete Engine Gasket Kit - Covers top and bottom end
- Oil Seal Kit
- Main Bearing & Seal Kit
- Water Pump Rebuild Kit
- Transmission Bearing Kit
- Countershaft Bushing/Seal Kit
- Cam Chain
Key Features
- Complete engine rebuild kit - nearly all components for a professional rebuild
- Premium Vertex piston kit
- Hot Rods heavy-duty crankshaft
- Complete gasket set covers top and bottom end
- All bearings, seals, and O-rings included
- Water pump rebuild components included
- Transmission bearing kit included
- Cam chain included
Specifications
- Displacement: 400cc
- Engine Type: 4-Stroke
- Weight: 16.6 lbs
Fitment
Suzuki DR-Z400 Series:
- DR-Z400: 2000-2004
- DR-Z400E: 2000-2007
- DR-Z400S (Dual Sport): 2005-2009, 2011-2020
- DR-Z400SM (Supermoto): 2005-2009, 2013-2020
Kawasaki:
- KLX400R: 2003-2004
Why Wrench Rabbit?
Wrench Rabbit kits combine premium components from Vertex and Hot Rods into one convenient package. Instead of ordering multiple part numbers and hoping everything arrives together, you get a complete, matched kit ready for installation. Professional mechanics and DIYers alike trust Wrench Rabbit for comprehensive engine rebuilds.
Professional Tip
The DR-Z400 platform is legendary for its reliability and versatility. Whether you're riding dual sport, supermoto, or off-road, a complete engine refresh ensures many more miles of dependable performance.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.