ESP Ported Zenoah G320RC 31.8cc / G340RC 34.0cc 4-Bolt Engine - Complete with clutch - bb130x
ESP (Earth Surfer Products) Race Ported Zenoah G320RC 4-Bolt Engine - Complete with Clutch
Available in 2 options - with stock crankshaft (31.8cc) or +2mm stroker crankshaft (34.02cc).
The 34.02cc versions are also available with BILLET CRANKCASE.
This is a G320RC that has been taken by ESP and Race Ported. ESP Has ported and enlarged the intake, exhaust, and transfer ports for added power. The 34.02cc G340RC version has the 2mm stroker crank installed.
Brand new design released in 2014, the Zenoah G320RC 31.8cc 4-Bolt Engine. All new design - redesigned cylinder, crankcase, crankshaft, piston, etc for an absolute explosion of power, yet still in the same size package as the original Zenoah RC engines (G230RC, G240RC, G260RC, G270RC, G290RC)
This Zenoah G320RC engine has a 38mm bore, and 28mm stroke, for 31.8cc in its stock form. Includes a revolutionary new cylinder design with closed deck transfer ports (two piece), with removable covers.
The release of this Zenoah G320RC engine is the biggest news to hit the R/C engine world in years! We have been testing this engine for the last few months, and the power output is incredible.
This engine's outer clutch housing is available in 2 versions. When ordering, select the clutch housing option you need from the drop-down menu.
bb130/bb133/bb135c - This is the factory version of the motor - clutch comes exactly as manufactured by the Zenoah factory, with no modifications. Fits HPI Baja 5B/5T/5SC, Kraken Vekta.5, Helicopter, Go-Ped, etc. This is the version that will work properly for most applications. The Losi 5IVE-T 2.0 also uses this style of engine. You will need to use the Factory Losi modified clutch housing (LOS252093). You do not need to use the CY fan cover or clutch plate for the 2.0 truck.
bb130d/bb133d/bb135d - This version of the engine has a modified "shorty" clutch housing - For R/C cars that were originally designed specifically for CY engines, which have less total engine width. Fits Losi 5ive, Losi Desert Buggy XL (DBXL), and Redcat. A CY fan cover must also be used for this engine to fit a Losi 5ive, Losi DBXL or Redcat. This is the stock fan cover from your Losi 5ive, Losi DBXL or Redcat. We also have these fan covers available for purchase separately (see item eg411), also at the bottom of this page in the "related items".
Nearly all Losi/TLR clutch bell set ups also require you to use the CY Clutch plate (see item gt244) and clutch plate bolt (gt249) as the Zenoah plate pushes the clutch shoes too far out.
Note: Aftermarket Billet aluminum clutch housings are available for the HPI Baja 5B/5T/5SC (see part number gt396) and Losi 5ive/DBXL & Redcat. (see part number sm106sv). If you plan on using one of these for a Losi 5ive or Losi DBXL, purchase the bb125c and save yourself $5, as you won't be using the stock clutch housing anyway.
Here is a YouTube video that helps explain the clutch options:
This engine is not compatible with most FG Modellsport or Smartech models. The larger crankcase interferes with the input shaft into the transmission.
What is the same as the existing Zenoah R/C engines:
Inner Clutch Parts
Small Oil Seal
What is different:
Piston Pin, Bearing, Washers
Outer Clutch Case
Engine Cover (shroud)
Piston Pin, C-Clips, Washers, Bearing, etc
Large Oil Seal
Dry Weight: 2.3kg
HP: Approx 5 or more (with tuned exhaust).
Overall Dimension: 164mm Length, 215mm Width, 196mm height
Fuel: Pre-mixed gasoline and 2-cycle oil, 25:1 ratio
Fits most all the same applications as the regular Zenoah R/C Engines:
HPI Baja 5B/5T/5SC, Losi 5ive, Losi Desert Buggy XL (DBXL), Redcat, Go-Ped(clutch driven versions only), Helicopter, and more!
For Go-Ped use - This engine will bolt on and work on existing 54mm clutch models. Will work on spindle drive models only if ADA clutch is used (part gt201).
This is a complete engine - including carburetor, air filter, clutch, and muffler.
The crankshaft is a different style (larger) than the original zenoah engines, so the existing +2mm stroke crankshafts on the market will NOT be compatible. But, crankshafts compatible with this engine are available from DDM. With a 2mm stroker crankshaft installed, this engine will become a Zenoah G340RC Engine (38mm bore, 30mm stroke, 34.02cc) performance beast!!!
The exhaust port spacing is the same as the original engines, so all exhausts, tuned pipes, etc will remain compatible.
The cylinder includes removable transfer port cover plates, these plates can easily be removed for easier access to the transfer ports.
You can download a copy of the Official Zenoah Product release here:
Stock replacement parts for this motor are available here: