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View Full Version : Some Tips With 43/47cc Smaller Bike???


nd4speed
05-01-2005, 03:12 PM
OK I HAVE A 43CC FULL FAIRING CHINESE MADE POCKET ROCKET....I JUST ORDERED THE TRUE 49CC BIG BORE KIT WITH REED, PIPE, CARB,AIR FILTER AND STACK, SPARK PLUG BOOT..... OF COURSE I WANT TO GO FASTER...WHAT PLUG SHOULD I USE & WITH WHAT GAP??? WHAT FUEL-->IS IT OK TO RUN LIKE 110 OCTANE IN IT OR WILL IT EXPLODE.....THE LAST THING IS THE NITROUS KITS OFTEN SEEN ON EBAY...THEYRE SIMPLE TO MAKE BUT DONT WANT TO POP MOTOR RIGHT AWAY...ALL THEY ARE IS A BIKE C02 PUMP AND SOME LINE???? ANY TIPS WILL HELP THANKS......ND4SPEED
ND4SPEED50_@HOTMAIL.COM

Sick Srt-4
05-01-2005, 07:00 PM
I'd suggest the NGK BM6A or Champion 5843 EZ Start plug. With a gap of .025" and you should be fine running on 91/92 octane. YOU WILL more then likely have to re-jet the carb to get it running "safe & correctly".

Going big bore, stay away from nitrous till you get the motor running correctly, and broke in.