Sonic Racing


Engine mount sets.



New RCMK S-520 mounts now available, $260 per set for either clutched or non clutched for monos or catamarans. These mounts will not fit between 5" rails and prices do not include clutches. Will get some photos up soon.

Please note that inline engine mount sets to suit the Zenoah engines are no longer a stock item but can be made by request. The new RCMK S-520 engine is my engine of choice and are cheaper, lighter and smaller than joining 2 Zenoahs together.


... Pictured from left to right, prices do not include clutches. All mounts are best suited for Zenoah G231/ 260 and RCMK S254/ S254R side exhaust engines. The Left and right mount sets pictured are for use with the RCMK engines. As the RCMK engines come in left and right rotation, the mounts are identical - only the bases are left and right. Zenoahs can be used but require a different set of end plates at no extra cost but do require additional parts to adapt the clutch or collet and recoil starter for right rotation engines.

... Single mount set standard rotation, non clutched. $200

... Clutched single mount set standard rotation. $240

... Clutched single catamaran left and right mount sets. $480 pr

... Clutched inline catamaran left and right mount sets. $1050 pr

... Not pictured but available ...

... Single catamaran left and right mount sets (non clutched). $400 pr

... Inline mount set to suit mono/ deep vee (non clutched). $490

... Clutched Inline mount set to suit mono/ deep vee. $520

... Inline catamaran left and right mount sets (non clutched). $950 pr

... All clutched mounts are set up to take the stock Zenoah clutch with a small modification to allow room for the mount rubbers or the ADA billet clutch without any modification although the shielded bearings need to be replaced with double sealed bearings.

* Additional inline mount set information






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