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Old 05-20-2009, 08:16 AM   #21
kdog22
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Quote:
Originally Posted by BYRDMAN View Post
Just gotta a 1996 Honda CR125...first dirt bike and two stroke I've owned. I got alot of questions already...I am a buy now ask later type a guy

I test rode it and it hauls but it wont idle...where should I start to remedy this?

It blows a lil white smoke, does that mean I need to replace the top end?

What maintenance should I perform before I really start riding it?

I do know alot about 4strokes as I perform most of my maintanence on my own bike but I am competely lost on this 2-stroke...
considering the year, it might need a good carb cleaning. These carbs are very simple and should be faily easy for you. You might want to get an owners manual if you don't already.

smoke might be due to the premix ratio of gas to oil. Too much oil will cause extra smoke. Wouldn't hurt to put some fresh premix in there too.

Change the transmission oil! It will probably need it. I recommend a full synthetic, it's worth it. Put a new spark plug in there and get a couple extra. Clean that air filter too!. Make sure all the bolts are tight and none are loose, check the spokes and make sure none are loose. All in all, maintenance is very easy on these 2 strokes.

Hope i could help
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fkn kdogg just started staring at me like i'm bout to jump off this bike and murder some dave c. i was thinkin ok lets see what i did to this man to make him hate me and how fast can i run
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Old 05-20-2009, 08:25 AM   #22
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Your carb does not have an idle circuit. It does have an air screw, which affects idle, but doesn't completely control it. The air screw setting is usually about 1-1/2 to 2 turns out from full in, but this varies with jetting and other factors, some of them ambient. If you adjust this screw too far out, it can fall out, so be careful with this. Idle is also affected by slide height, and although there is no slide stop on your carb, slide height can be adjusted at either end of the throttle cable at the throttle assembly and on the top of the carb. Idle is also affected by slide cutaway, but I doubt your carb is anything other than stock, so this should not be a problem.

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Old 05-20-2009, 08:35 AM   #23
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Pics of said bike.
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Old 05-20-2009, 09:21 AM   #24
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Quote:
Originally Posted by Racer997 View Post
Your carb does not have an idle circuit. It does have an air screw, which affects idle, but doesn't completely control it. The air screw setting is usually about 1-1/2 to 2 turns out from full in, but this varies with jetting and other factors, some of them ambient. If you adjust this screw too far out, it can fall out, so be careful with this. Idle is also affected by slide height, and although there is no slide stop on your carb, slide height can be adjusted at either end of the throttle cable at the throttle assembly and on the top of the carb. Idle is also affected by slide cutaway, but I doubt your carb is anything other than stock, so this should not be a problem.

Regards,
Jerk
Ok I take it back Ur not a jerk anymore!!! LOL. Thanks for all you guys input. It did come with a clymers manual and I will get pics up tonite!!
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Old 05-21-2009, 05:09 PM   #25
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*update* I changed the tranny oil with some motul 2cycle trans oil, changed the plug that I took out with my hand it was that loose!!! Changed the fuel filter and added some fresh fuel/oil mix and that thing runs like a bat out of . I think I off my nieghbors already too!! Pics when I get home.....
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Old 05-21-2009, 06:14 PM   #26
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If you use a good oil like Motul for the premix, the bike will run cleaner. And won't use up as many plugs once you figure out a good ratio. It's a tad more for Motul or similair but worth it to me.
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Old 05-21-2009, 06:23 PM   #27
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Originally Posted by Tricki View Post
If you use a good oil like Motul for the premix, the bike will run cleaner. And won't use up as many plugs once you figure out a good ratio. It's a tad more for Motul or similair but worth it to me.
thats what I bought...Motul 2T it was like $17!!!!!
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Old 05-21-2009, 06:38 PM   #28
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thats what I bought...Motul 2T it was like $17!!!!!
Yeah I know! I have ran cheaper oils in the pre mix just because of that reason. Castrol/Yamalube etc .... will work ok.....you'll just smoke a tad more and the gunk inside the engine won't burn off as good as the higher brands! It may not matter to you since it's a play bike and not a racer. The engine may be more responsive with the good stuff.
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Old 05-21-2009, 07:38 PM   #29
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here ya go
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Old 05-21-2009, 10:05 PM   #30
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Looks really clean.
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Old 05-21-2009, 10:59 PM   #31
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you know what. i actually rode one of those. it was a 94 honda 250 though. they have nikasil cylinders so they last forever
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Old 05-21-2009, 11:12 PM   #32
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you know what. i actually rode one of those. it was a 94 honda 250 though. they have nikasil cylinders so they last forever
Except for the CR500R, almost everything from the late 80s until now had Nikasil cylinders. Lasts forever, or until the piston seizes, in which case it's usually sleeve time 'cause there's no such thing as overbore.
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Old 05-21-2009, 11:21 PM   #33
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Except for the CR500R, almost everything from the late 80s until now had Nikasil cylinders. Lasts forever, or until the piston seizes, in which case it's usually sleeve time 'cause there's no such thing as overbore.
yea. idk why they stopped doing it. change your top end and those things lasted
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