Jump to content

dtr125 jetting


Recommended Posts

i have just fitted a big one full system to my bike it is fully deristricted but bike now has a nasty flat spot in top gear inbetween 7-8,000 rpm,does any one know which jets to change and what sizes,bike had previously had a dep system that went rotten and could not afford to replace it and had no issues with this pipe,the bike is a 02 125 by the way

Link to comment
Share on other sites

  • Moderator

if it has a mikuni flat slide carb then I 'Think' you will find it has a 240 as standard. I would recommend at least a 250 with aftermarket pipes, I've put that in mine and that's only got an aftermarket silencer. maybe it would be wise to buy two..a 250 and a 260 ?

Try motocarb

...Paul

Link to comment
Share on other sites

yes is a 240 jet in there,just confused how the dep system needed no adjustments and the bike ran fine with it on and the big one system has really messed with the bikes performance,5th gear is a stuggle to use and 6th is totally useless no power at all as the bike sits between 7-8000 rpm in these two gears,its a real struggle to get 60mph at all

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...