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Post by primrose on Aug 27, 2019 23:23:04 GMT 1
Hi all. New to the forum. Just sent my 31k off for a 421 kit. If i'm using bigger carbs will I need to do a heath robinson job on the junction box for throttle cables?
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Post by rigga on Aug 28, 2019 9:44:40 GMT 1
No, most manage to get the original cables to work with a bit of fettling .
O and welcome to the forum, introduce yourself and your project to the lads, do lots of pictures as you go along too.
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Post by 84rzrider on Sept 12, 2019 21:11:10 GMT 1
I was able to get a Canadian / Euro cable to work on the VM30s on my US spec 84 RZ350. I had to buy a couple of short carb top cable adjuster holders from Niche Cycle in Florida if memory serves and it works like a champ.
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Post by Tobyjugs on Sept 12, 2019 21:33:17 GMT 1
It depends a bit on the size of your carbs. The standard junction box has a limited stroke if the bore of your carb is bigger than the stroke in the juntion box you will not be able to lift the slides to the fully open position.
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Post by wallcraft on Sept 12, 2019 22:10:02 GMT 1
It depends a bit on the size of your carbs. The standard junction box has a limited stroke if the bore of your carb is bigger than the stroke in the juntion box you will not be able to lift the slides to the fully open position. Exactly, had to extend my box to get full lift on 34 mikunis and extend the carb top cables and oil pump cable. Mark. |
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Post by JonW on Sept 13, 2019 3:01:54 GMT 1
This is a perennial problem. Seems that ultalight suppliers sell longer splitter boxes. Im going to get one and give it a go on my 421 with 34s as with everything ive done Im still a little bit short on the full lift.
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Post by rd350rob on Sept 13, 2019 8:02:58 GMT 1
This is a perennial problem. Seems that ultalight suppliers sell longer splitter boxes. Im going to get one and give it a go on my 421 with 34s as with everything ive done Im still a little bit short on the full lift. Let me know how it goes please jonw, I might need a couple of these myself...
Cheers
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Post by Tobyjugs on Sept 13, 2019 8:59:37 GMT 1
Venhill sell them, with 3 (I think) different length of stroke.
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Post by muttsnuts on Sept 13, 2019 9:28:21 GMT 1
I stock the junction boxes etc, I make all my own cables and clearly with all of the big engined bikes I do, I make a lot of custom cables to suit
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Post by peddrotzr on Sept 13, 2019 9:37:00 GMT 1
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