tips on improving mid-high end power.

sasuke · L Plate Warrior Joined: 04 Mar 2005 Karma :

hi does anyone has any suggestions to the above for a 2 stroker 135cc bike? my initial suggestions were to remove the bolt to allow more flow to the exhaust and to change an after market air filter. would an after market air filter have any effect a small cc bike such as this?
i also had my plugs n engine oil changed.

craigT19 · Jolly Green Giant Joined: 09 Feb 2002 Karma :

if you put a race type air filter on a standard engine set up it will run like a load of shite.

Best bet is to just accept its a 135cc, save your money for your test then buy a big bike and look into tuning, the sort of money you would spend tuning a 135cc bike wouldnt justify how little power u would get extra
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Bikes owned :- 2001 nsr125, 1999 zx6r, 2006 yzf-r1, 2009 xmax 250, 2012 yzf-r1, 2015 MT-07
Current bike : - 2016 MT-10
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cagiva gezzer · World Chat Champion Joined: 17 Mar 2003 Karma :

https://www.bangor.ac.uk/~bsuc15/newagainstolddyno.jpg

Gain from reducing the squish from 1.8mm to 1.05mm and increasing the base gasket by 0.2mm. Under £40 for everything.
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"because one stroke isnt enough and four strokes waste two"

bish777 · World Chat Champion Joined: 11 Nov 2004 Karma :

Put a pod filter on the carb, and shim up the needle so the mixture is richer, should give a bit of a boost.
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