Even though MALOSSI didn’t make any technical alterations, the „NEW“ MHR Big Bore Tuningkit incl. cylinder and Team crankshaft will definitely give you a reason to cheer, because compared to buying the parts separately, the kit will save you a lot of cash. Cash that you can either use to treat your girlfriend to a pizza and a movie, or directly invest in the matching inner rotor ignition – it´s your choice!
Racing cylinder MALOSSI 86cc Big Bore
The Ø50mm BIG BORE KITS’s basis is a bored up MHR Team II cylinder with 7 transfer ports. The 86cc demand a (44mm stroke) special crankshaft.
SIP-TIP: The engine case needs modification and has to be enlarged to 57,6mm in the cylinder base area.
MHR Team Big Bore crankshaft
Developed especially for MALOSSI‘s BigBore Kits, the HPC crankshaft works also well in combination with an 86cc cylinder kit. The crank comes with a 44mm stroke, 13mm con rod bearing and a 85mm piston rod. To decently fit crankweb, the crank case needs to be enlarged to a total size of 76,5mm. High-End product (unfortunately the price proves that too).
SIP-TIP: The crankshaft has smooth variomatic stump. Scope of delivery includes calotte and pins, suitable for MHR Overrange Variomatic!