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  #1  
Old 10-18-2011, 04:44 PM
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Default 4stroke trouble

     

Hey how it going. I have a 2009 crf250 and it wont start cold and i need help. I have no idea why is wont start cold i even had it revalved last year. Any advise? Thanks.
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Old 10-18-2011, 04:55 PM
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Default How long?

How long has is set between runnings?
How old is the fuel?
Is carb clean?
Are your jets 100% clean?
Are you getting good spark?
What are your valves set at?
How many hours from the "revalved" last year?
What kind of valves were put in last year?
Has the kill button been damaged?
Is your coil mount good and clean?

The answers to these questions may just lead to the answer.

Paw Paw
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Old 10-18-2011, 08:05 PM
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pawpaw, i got a question... not being rude or anything but its a legit question, were did you learn mechanics at? self tought? school? alota the suggestions you have are extremely genaric, makes sense, but im wondering were u learned this stuff.
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Old 10-19-2011, 07:00 AM
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Default Many ways...

Quote:
Originally Posted by supercr125 View Post
pawpaw, i got a question... not being rude or anything but its a legit question, were did you learn mechanics at? self tought? school? alota the suggestions you have are extremely genaric, makes sense, but im wondering were u learned this stuff.
I learned many ways. First off I have been working on bikes and cars from the age of 16 and I am now well over 65. For my 16 birthday, my mother brought home a car for me with the engine in the truck in a few boxes. She told me when I got it running, I could have it. That kind of started things.

I have raced MX all over the country and have maintained a fleet of bikes for that purpose over the years.

I have also served as the shop service manager in a large local bike shop for a few years when my regular employment was not possible several years back.

I enjoy working on and fixing things. I work on motorhomes, bikes, cars and some small engines when time allows.

I have now retired and keep busy fixing other folks bikes and stuff. I believe that fixing old stuff is better than just buying new stuff. I still race on occasion and ride every chance I get.

Hope that helps.

Paw Paw
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Old 10-19-2011, 11:46 AM
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Get em' Paw Paw I dont have a hard time with your suggestions, they sound very reasonable to me!
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Old 10-19-2011, 02:09 PM
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guys i wasnt bein a jerk, i just wanted to know because it all seemed very text book and i want to eventually be like that. wish my parents got me a car with i turned 16 haha im 17 now and ive been doin this since i was 6, my dad brought home a car to rebuild, a honda civic, from 1986. it was a boxy car but we rebuilt it from top to bottom. that got me started in mechanics and ive been workin cars and bikes ever since. time is knowledge!!!
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Old 10-19-2011, 04:44 PM
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Default OK

Quote:
Originally Posted by supercr125 View Post
guys i wasnt bein a jerk, i just wanted to know because it all seemed very text book and i want to eventually be like that. wish my parents got me a car with i turned 16 haha im 17 now and ive been doin this since i was 6, my dad brought home a car to rebuild, a honda civic, from 1986. it was a boxy car but we rebuilt it from top to bottom. that got me started in mechanics and ive been workin cars and bikes ever since. time is knowledge!!!
I did not take it as being a jerk. I felt like it was a valid question to know from where the advise was coming.

Paw Paw
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Old 10-19-2011, 05:34 PM
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Quote:
Originally Posted by skeeter197 View Post
Hey how it going. I have a 2009 crf250 and it wont start cold and i need help. I have no idea why is wont start cold i even had it revalved last year. Any advise? Thanks.
Sell it and buy a 2stroke.
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Old 10-19-2011, 05:47 PM
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Default

The reason Paw Paw gives "generic" answers is because 99% of the time the problem is caused by one of these "generic" problems.

Now back to the problem at hand. Sounds like the valves are to tight. Let me guess once you finally push start it and get it running when its cold, it will start just fine once warmed up.
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