Recommended porters
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Where’s the best place to get a standard 3mb/3BN head ported, skimmed and squish reshaped?
As I’m pulling my head apart I may as well treat myself and the bike a little. You guys have always spoke highly of a decent port job so I’d love to see the difference over stock
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@Stevie-Wonder Mick Abbey has a very good reputation and I think he's done quite a few DTRs. Also makes expansion chambers meaning if you sent him your DEP pipe he could probably take some measurements and port your cylinder to match
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Personally, I’d stick with the standard barrel with a 3mb head. Any porting to the barrel and you’ll loose the low rev torque-usability that makes the Dtr road friendly...
Ask Calum, he’s got a ported barrel... -
@SpookDog I didn't love the 3MB00P barrel. I have recently sent another barrel to Mick for porting however
When I swapped out the ported barrel for the Athena kit I was actually impressed with the porting work. At the end of the day, the DTR is not a fast bike. It's pitiful compared to other 125s. As I say, getting the squishband adhusted for your setup, a good pipe and a Zeeltronic is about all you need for the DTR. Combine that with the Athena 170 kit and you'll be laughing. But it is all down to personal preference.
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@Calum
Yeah, weirdly enough i prefer the standard 3mb barrel over the 3mbp that I brought. It is definitely all about preference and riding style. I personally don’t like having to keep the motor in power band all the time, I like the ‘usability’ of the standard barrel
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@SpookDog I have changed my song... But I would recommend the Athena 170 kit for that reason.
Sacrafice overrev for pure torque grunt. Many years ago, I didn't sing its praises as I only had the DT and wanted an all out weapon. I don't think I ever achieved that. The RS is a totally different kettle of fish and I love it. But the DT with Athena kit is my daily* warrior! It's just comfortable and grunty and for that reason I would recommend it.
I liked it so much I bought another one to send to Mick to see if he can work some magic on it. I shall report back what happens.
*I haven't ridden the DT since July. I haven't ridden a bike since July, I mainly cycle/run everywhere I go since neither of my cars are on the road
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Even though I was young once, I never ran anywhere that I wasn’t being chased
Cycling tho I can get my head around! It’s amazing how much ground you can cover at 15 mph, while keeping it going for ages as long as you pace yourself I think the porting difference makes sense in a road bike/TZR or an Aprilia. Your head is the same height as a Dtr headlight and you are aero dynamic. I imagine its like the difference between riding a Dtr with & without a 20 mph headwind!
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@SpookDog
Loose the mirrors hand guards rear foot pegs change or loose the indicators for a smaller LED style loose the nobly tires for more road orientated and a recon you’d get an extra 2-3mph and on set of DT clocks that’s easily 5mph ! Lol
