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THIS KIT CAN WORK ON HONDA CDI MODEL'S OF Z50R XR50 CRF50 XR70 CRF70 BUT !!!!!

YOU MUST HAVE THE STOCK CASES BORED TO 56.4MM OR USE SOME READY MADE BIG BORE CASES

THIS COMES WITH THE FOLLOWING:

THE HIGH DOME 54MM HI COMP PISTON KIT

69MM TALL X 54MM BORE ALLOY CYLINDER W/SPLASH GUARD HOLES

THIS CYLINDER WILL FIT INTO MOST ALL CHINA TRANNY CASES, NO MACHINING NEEDED!! REMEMBER THIS MOVES THE EXAUST FORWARD 6MM = 1/4"

THE 51MM LONG ROD STROKER CRANK, COMPLETE WITH JAPAN MADE KOYO BEARINGS AND NEW TIMING SPROCKET, READY TO BOLT IN...

THE LONGER ROD STROKER CRANK ADDs EXTRA TORQUE AND THE DEPENDABILITY OF A STOCK HONDA CRANK OVER OTHER STROKER CRANKS. (EVEN HONDA WENT TO A LONGER ROD ON ALL 50'S AND 70'S IN 1981 TO ADD MORE TORQUE AND LONGIVITY).

A NEW 84 LINK JAPAN MADE DID CAM CHAIN = MORE LIFE SPAN THAN 82 LINKS

A COMPLETE GASKET SET WITH MOST ALL O-RINGS

A SEPARATE COPPER HEAD GASKET TO ALLOW FOR DOME TO DOME CLEARANCE

AND LAST BUT NOT LEAST A SET OF 4 OEM HONDA LONGER CYLINDER STUDS AND 2 6MM NUTS FOR REMOVING AND REPLACING THE STUDS..

117cc_LONG_ROD ENGINE_KIT (HIGH_COMP_PISTON) (FOR_RACE_HEADS) LIFAN50/70 ZONGSHEN50/70 MOST_50/70_CLONES 51MM_STROKE X 54MM_BORE DISCONTINUED 51CR/1-35/1-18/2-15/206Vx2/206Wx2/81T/6Zx2/CU50X54X1.5