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Hard to start 2010 RMZ 250

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My mates son has a rmz250 2010 and it's real hard to start. He seems to kick it around ten times before it starts but my son's 2009 will start first kick every time. Why would an injected bike be so hard to start it's the same hot or cold ?

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check the valve clearances

make sure they are in spec as this is one of the 1st things you should do with a race mx 4 stroke

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My 10 RMZ was hard to start for a while but after the engine got about 5 hours it started after 2 or 3 kicks. Here is the offical starting technique from Suzuki

ServiceBulletin-Page1.jpg

ServiceBulletin-Page2.jpg

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Shouldn't be valve clearance as the engine has already been fully rebuilt ( new everything after running dry of oil ) was always hard to start from new.

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well it cant hurt to check can it

how did the engine run dry of oil

does the owner maintain it

who rebuilt the bike

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