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DT125R Forum -> Tuning -> How to make my dtr 2stroke engine more reliable
Post Info TOPIC: How to make my dtr 2stroke engine more reliable
dt125cc


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How to make my dtr 2stroke engine more reliable
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well i have my dtr 125 2003, fully derestricted, full dep, 240 main jet, K&N on my snorkle hole, just wondering what mods or extras i could put on my bke to make it more reliable as i dont wanna go down the road and it goes bang, i dont really rag it, pop a few wheelies here and there, hardly ever go over 40 onit, only when im on the dual caridge way i go past 40, and thats hardly ever, any help would be great! :)

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Dtr 125 Blue 2003
Full Dep System (Soon To Be Twin)
Polished Forks
Polished Crak Cases
Polished Rear Brake Pedal
Full Wrap Guards
Yz Mud Guard
Fully DE-Restricted
JORDAN-43


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Should be fine really exept for wear and tear. I rag mine everywhere pretty much and hasnt had much problems

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craigbulmer


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If your pootling around, then should be fine for all the life you own it tbh lol Hairdoos DTX did 20k on one piston.

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Yamaha DT125R - 2003
hairdoo


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damn straight n she will do 80 down bypass ! gettin dep fitted in a few weeks need more POWER lol Dave

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JORDAN-43


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Just use good 2 stroke

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Crana


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and of course let her warm up properly ;)

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craigbulmer


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Crana, change your display picture mate haha.

You look like a gypsy who found a bike they want and use it as there display picture when they dont actually have it :D

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Yamaha DT125R - 2003
Crana


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happy? :P i need to take new pics of it but i usually forget to take pics when i go on my little adventures...

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woll


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make a 2t more reliable? Make it go slow, dont ride it hard, use quality 2t oil, stick to service intervals, keep clean, and if any niggly problems occur fix them then before they get bad . 2t aren't made to be reliable lol

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Mark
dt125cc


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im on bout like after-market stuff... =D

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Dtr 125 Blue 2003
Full Dep System (Soon To Be Twin)
Polished Forks
Polished Crak Cases
Polished Rear Brake Pedal
Full Wrap Guards
Yz Mud Guard
Fully DE-Restricted
woll


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and adding these aftermarket parts that make the engine produce more power also reduce the reliability ;)

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Mark
Malc


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And thrash it to hell and back now and again - 2 strokes which are just pootled around on will coke up (carbon buildups) on the piston and cylinder head. This can/might lead to hot spots and perhaps a holed piston.

Don't want to worry you, but thrash the tits off it regular, and she'll love you for it, cos you'll be keeping the combustion chanber clean.

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Just because I don't care, it doesn't mean I don't understand...!
dt125cc


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after market parts suck as like on 4t, oil breather kits, oil cooler that kind of stuff, just to make it that extra bit less paranoid

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Dtr 125 Blue 2003
Full Dep System (Soon To Be Twin)
Polished Forks
Polished Crak Cases
Polished Rear Brake Pedal
Full Wrap Guards
Yz Mud Guard
Fully DE-Restricted
dt125cc


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bump

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Dtr 125 Blue 2003
Full Dep System (Soon To Be Twin)
Polished Forks
Polished Crak Cases
Polished Rear Brake Pedal
Full Wrap Guards
Yz Mud Guard
Fully DE-Restricted
fikse


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Do you have access to QMI products in UK and eventually also the Royal Purple oils? This QMI is a PTFE (teflone) metal treatment (read more at the webpage). It is not an oil additive. Have used this stuff in several engines and gearboxes, and absolutely only positive results, especially in small engines like these bikes, grasscutters, etc., who is heavily "abused" from time to time.  No, I dont sell the stuff, Im just a blo%&¤ happy user, after saved a few engines/gearboxes with it.
I know the amateaur rally enviroment and the gocart-enviroment (and also other enthusiast enviroments) both here in Norway and in other countries use this QMI, and also several of them use the "state-of-art" Royal Purple oil. And its interesting to hear that they can drive twice as long with their top-tweaked engines with these oil and metal treatments.
I have several stories to tell about these stuff, tell me if you want to hear smile.gif

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Bent, Norvegia
DTR-Mat


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one way to make your 2 stoke relible



















buy a 4 stroke


thats the fun of having a engine that has a high bhp to cc ratio. its going to break now and again

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ben350


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2 strokes are not unreliable, its that they have shorter service intervals.

Keep an eye on the top and and do a tear down and rebuild every I dunno 15k miles and you will be fine.

Simple to work on and easier to fix thats why I like 'em so much

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Aprilia Tuono 1000 + Honda Civic 1.6 VTi
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