sonic
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| posted on 26/4/16 at 08:18 PM |
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Setting up R1 bike carbs
I have just fitted a set of R1 bike carbs to a Pinto 2 ltr engine, it starts and runs, ticks over but does spit occasionally through the zorst. I
noticed if you rev it up the revs don't drop quickly but do return back to tick over after a couple of seconds.
All the linkages are free and the butterflies closing, I seem to remember it is down to setup either to rich or weak and body got an idea I can try?,
I need to drive it around 25 miles to get it setup on the nearest rolling road.
Cheers
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CosKev3
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| posted on 26/4/16 at 09:34 PM |
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Have you added a return spring to the throttle linkage?
As it's quite common for them to be needed,as the bike runs a twin cable set up.
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Andi
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| posted on 26/4/16 at 09:57 PM |
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quote:
Originally posted by CosKev3
Have you added a return spring to the throttle linkage?
As it's quite common for them to be needed,as the bike runs a twin cable set up.
+1
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Norfolkluegojnr
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| posted on 27/4/16 at 09:36 AM |
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quote:
Originally posted by Andi
quote:
Originally posted by CosKev3
Have you added a return spring to the throttle linkage?
As it's quite common for them to be needed,as the bike runs a twin cable set up.
+1
+2 I had to add a second spring. It also aids a lot with pedal feel (hands are more sensitive than feet!) 
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sonic
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| posted on 27/4/16 at 04:16 PM |
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No I haven't but the linkage does return quickly back to its stop point and I tried putting my finger on it but it made no difference.
Cheers
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CosKev3
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| posted on 27/4/16 at 07:00 PM |
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What jets etc have you fitted?
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sonic
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| posted on 27/4/16 at 07:12 PM |
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drilled out to 160 and mixture screw turned out 3 turns
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CosKev3
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| posted on 27/4/16 at 07:21 PM |
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Needles at standard height?
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sonic
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| posted on 27/4/16 at 07:42 PM |
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yes
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Norfolkluegojnr
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| posted on 27/4/16 at 08:28 PM |
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Lightweight flywheel?
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sonic
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| posted on 28/4/16 at 04:32 PM |
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no, std
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