Can't get the speed right in traffic .
You may have to get a proper needle, emulsion tube and Keihin mainjet if you go back to stock slide. Or, if you have Dynojet needle, just swap over to the new slide. The Dynojet needle, emulsion tube, and mainjet are not the same as the stock carburetor. Pilot jets are the same. There is a different thread size for the Dynojet mainjet in the emulsion tube.
John
John
Thanks , that's something for me to check . I guess it could be worn . Emulsion tubes can become slightly oval without this being visible to the naked eye and I guess this might cause a jerky transition from pilot to main .
Last edited by Midpegs; Oct 8, 2019 at 01:36 PM.
I would be very grateful for your opinion . You clearly have a wealth of knowledge especially regarding tuning . It's the straight for the throat insults I can do without thank you very much .
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Joined: Aug 2018
Posts: 6,525
Likes: 10,960
From: ohio
Does anyone else feel this way about their Sportster ? I love my bike , it accelerates well , it slows down well and it gets down the road in a most pleasing fashion . On the open road I can ride all day long with a stupid grin on my face . BUT there is one thing that my bike just won't do and that's to exactly match and maintain the speed of another vehicle . If I'm stuck in moving traffic or behind a car on a narrow road , my bike just doesn't seem to know whether it's speeding up or slowing down . I try experimenting with different gears but in the end I find myself slipping the clutch in order to perfectly match the speed of the vehicle in front . How you guys manage to ride in groups is a mystery to me . Years ago I rode a couple of TL 1000's and it was exactly the same . I could accelerate like a rocket and stand the thing on its nose but try to behave myself in traffic and it was all over the place . So is this just a big V Twin thing or is there anything I can do to fine tune my bike ? I've got a carb version ( XL 1200 R ) which allegedly has a " Thunder Slide " in it . Any views most welcome .
It sounds like you have an issue either with your technique or the mc. If you're able to maintain a speed on level ground with another similar Sportster, there's something wrong with your mc. I guess.
Last edited by Long lonesome highwayman; Oct 8, 2019 at 08:15 PM.
Seasoned HDF Member
Joined: Aug 2018
Posts: 6,525
Likes: 10,960
From: ohio
OP, it seems you have the international version of the XL1200R, so your transmission pulley is a 30T sprocket (PN 40380-04). That means your bike is higher geared than the US version that most of your critics here ride.
I have that same PN and when going 15mph or slower, I HAVE to be in 1st and I'm always using the clutch. I go into 2nd gear at around 25 until well past 30mph.
I'm fine and you'll be fine too. With our gearing, highway riding is a blast as you undoubtedly already found out.
So. Ignore the naysayers here. Some of them are talking outta their obamas (and I don't mean brains).
Too true.
^^^^^^^
That
I have that same PN and when going 15mph or slower, I HAVE to be in 1st and I'm always using the clutch. I go into 2nd gear at around 25 until well past 30mph.
I'm fine and you'll be fine too. With our gearing, highway riding is a blast as you undoubtedly already found out.
So. Ignore the naysayers here. Some of them are talking outta their obamas (and I don't mean brains).
Too true.
^^^^^^^
That
No not really , what I'm talking about is trying to maintain an exact speed of say for example 40 miles an hour . Not 41 and not 39 , exactly 40 . The bike is doing one of two things , speeding up or slowing down . What it does not want to do is remain at a constant speed . Of course the obvious thing to do is yank on the throttle and overtake the slow vehicle but that is not always a safe option on the minor roads of rural Warwickshire , Oxfordshire and Wiltshire where I do a lot of my riding . At higher speeds on the open highway such as 70,80, 90 or even a hundred + the bike is brilliant and will hold a constant steady speed without issues . It's just that middle ground where you are having to restrict the bikes natural eagerness to accelerate that feels so uncomfortable .
Last edited by Long lonesome highwayman; Oct 9, 2019 at 05:29 AM.
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