according to OldMiniBikes 6100rpm is safe without fear of a lawsuit;
DJ-1001 6.5HP Dupor Engine w/o fuel tank
DJ-1146 ARC top plate/throttle hookup
6934 *New* ARC billet air filter adaptor
DJ-1257 Choke hold
Walbro fuel pump
6877 Pulse inlet fitting
6899 Angled air filter
fuel and breather hose
DJ-1415 Chain guard/heat shield
Special Performance Cam*
DJ-1055WA "Whoopass" valve springs
DJ-2225 ".615" bored carb (jetted based on cam and selected header)
Clutch Sold Seperate...click here for one we recommend.
Select a cam in the menu above based on your specific racing needs.
*The default cam is the CL1i which is best for large dirt oval tracks or any track where sustained, high RPM is normal.
*The alternate cam is the BSP1 which is best for restrictor plate engines, unrestricted engines on small dirt tracks where RPM fluctuates a lot each lap, or smaller sprint track engines.
Break in the engine according to instructions on our blog. These engines are only shipped UPS ground and will usually ship in one or two business days after your order date. Partial dissassembly is required for shipping.
IMPORTANT!!!
This engine does not come with a header and muffler. Look at the list of related items below for suggested options. Approximate Horse Power 9-10 HP / 6100RPM