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2005 Adly Panther 50 8000 RPM 5.3HP 2 Stroke with Benelli EX-M2 Chamber Pipe 13040 miles!
Posts: 95
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Joined: May 18, 2013 2:03:04 GMT -5
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Post by Chaapa'ai on Jun 14, 2013 18:49:48 GMT -5
Alright So i have a 2004 Eton Beamer PN2 (Basically a knock off yamaha Zuma) it has a 1E40QMB Oil Injected 2 Stroke engine The piston/ rings and Cylinder dyed at 5.7k Miles I plan to buy a 70cc 1E40QMB Big Bore kit off Ebay (yes one of the cheap ones) i already have a ''Tuned Pipe'' or rather expansion chamber on it, i need to know what size Jet(s) i will need for Re-jetting IF i Must Re-jet i would prefer not to but that's fine As well i am currently running with the stock air filter, what style air filter should i use, i need to be able to ride in the rain and such as well no one likes worrying about hitting a puddle and catching a load of H2O So help me plan this out so i can get it all done in one sitting! this is my daily driver and i have noticed it is much cheaper to upgrade to a big bore 70cc bore kit than it is for a replacement 50cc cheapest new cylinder kit i could find at 50cc 40mm was 68$ no Cylinder Head And the cheapest Big bore kit was around 49.99! leave me some advise, suggestions, insight, thoughts comments ect !
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Post by pmatulew on Jun 14, 2013 19:36:10 GMT -5
If you're going to increase the airflow with intake and exhaust mods, then you're definitely going to need to increase the jet size to correct the fuel ratio. Also if you aren't already pre-mixing your oil you may need to consider adjusting the oil pump for more flow or replacing the oil pump cam with something more aggressive. Unless you did it yourself the oil pump probably wasn't adjusted properly to begin with. Not enough oil will roast these little motors in a hurry.
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