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Discussion Starter · #1 ·
So I bought a CBR f4i 3 years ago a year ago I went to change the spark plugs only pulled out three where's the 4th couldn't find him replaced finally took my phone camera out and look down the hall there was nothing in it put four in it ran way better why would somebody only use three spark plugs it also had a power commander five but it won't pop a wheelie unless you're at like 9 or 10,000 RPM popping clutch
 
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