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Post by brownsauce on Sept 3, 2014 21:52:46 GMT 1
Got a 250 lc and thinking of converting it to a 350 , obviously I'll need barrels oil pump , but can I use the same carbs rejeted and the head is that the same, reeds, sprockets  ? Help needed. |
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Post by copper99 on Sept 3, 2014 22:16:08 GMT 1
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Post by oldelsieboy on Sept 3, 2014 22:21:23 GMT 1
Got a 250 lc and thinking of converting it to a 350 , obviously I'll need barrels oil pump , but can I use the same carbs rejeted and the head is that the same, reeds, sprockets ? Help needed. Head, barrels, pistons/rings, small end bearings, oil pump inc worm/drive gear, carbs, rear wheel inc sprocket carrier & spacers, front disc, L/H caliper, 5/8" master cylinder inc brake hoses, twin horns inc mounting bracket, plastic cover & horn loom, front & rear sprockets, exhausts. OEB |
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Post by brownsauce on Sept 3, 2014 23:13:21 GMT 1
thats spot on mate thanks |
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Post by yamman1066 on Sept 4, 2014 9:57:48 GMT 1
also 350lc exhausts
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Post by brownsauce on Sept 4, 2014 10:27:25 GMT 1
On second thoughts might see if I can pick myself a nice valve up, keep my 250 standard might workout to be not alot more expensive.
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Post by muttsnuts on Sept 4, 2014 11:03:18 GMT 1
On second thoughts might see if I can pick myself a nice valve up, keep my 250 standard might workout to be not alot more expensive. hehe, your not wrong there !   |
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Post by shaunthe2nd on Sept 4, 2014 11:17:56 GMT 1
You need the 350 logos for the side panels too!
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Post by steven on Sept 4, 2014 11:49:41 GMT 1
...head light mount/brackets are different too, 250 headlight bracket has the mount for the single horn, 350 headlight brackets dont.
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Post by yamman1066 on Sept 4, 2014 13:47:23 GMT 1
just buy a 350lc
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Post by brownsauce on Sept 4, 2014 15:38:21 GMT 1
Just said that to our lass and she didn't say no, she must want something or she already bought something, there not to be trusted? |
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Post by shane250 on Sept 4, 2014 16:40:17 GMT 1
...head light mount/brackets are different too, 250 headlight bracket has the mount for the single horn, 350 headlight brackets dont. Im not sure that the OP wants a 350 look alike just the extra cc/power,although i could be wrong. If it was me i would just upgrade the front brake,and look at a mild port,dremmeled reed cages and possibly some reed upgrade aswell as possibly some exhausts and that would probably see performance close enough to what you need. The benefit of keeping the CC as a 250 is that 250 top end parts are cheap as chips should they be needed. My intention is to do something similar to mine over the winter but im trying to hang on to the standard exhausts so that the bike will other than the extra disc look standard. I will be lookiing into the possibility of either getting the exhausts opened and extra holes drilled in the plates,or maybe even attempt it from the wheel side without them being taken apart,but i havnt done any homework on it as yet. One thing i will add though is when i stripped my bike i never noticed the reed cages were dremmeled prior to me owning it and refitted them after the restore.Sometime after i had them off and then noticed they had been done and replaced them with std cages and new reeds.I was pretty suprised how much difference they made to the power band pull and the std cages were back in the garage collecting dust the day after where they have been ever since. rdlccrazy.proboards.com/thread/22645/rd250-bag?page=22#page=21. |
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Post by dave1963 on Sept 5, 2014 11:02:13 GMT 1
Make sure you do carbs mine would not run right till i put 350 carbs on it
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Post by greasemeup on Sept 5, 2014 11:21:44 GMT 1
What's mean, dremmeled reed cages?
Sent from my iPhone using Tapatalk
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Post by greasemeup on Sept 5, 2014 11:23:17 GMT 1
Oh,
You can re sleeve your 250 cylinders.. If you want standard
Looking.
Sent from my iPhone using Tapatalk
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Post by steven on Sept 5, 2014 11:56:13 GMT 1
Hi, I have had these barrels for years, obviousely someone has milled off the 347cc bit. My only thoughts are, someone has done this years ago in an attempt to turn a 250 into a 350 on the Q.T. It must have been before the days of too many folk knowing about 4L1 and 4L0, as the the 4L0 has been left on, which is obviousely a give away. Im wondering if people did this when you could still drive a 250 on "L" plates? but I have never seen another set of barrels with the 347cc milled off. steven.  |
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Post by shane250 on Sept 5, 2014 13:29:02 GMT 1
What's mean, dremmeled reed cages? Sent from my iPhone using Tapatalk Have a look at the link.Escentially its making the holes for the fuel to go through bigger behind the reeds. |
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Post by shane250 on Sept 5, 2014 13:30:22 GMT 1
Make sure you do carbs mine would not run right till i put 350 carbs on it Whats the difference? |
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Post by dave1963 on Sept 5, 2014 18:54:02 GMT 1
The airways in the castings are different
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Post by shane250 on Sept 5, 2014 21:53:59 GMT 1
does that make a big difference?
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Post by dave1963 on Sept 5, 2014 22:08:09 GMT 1
Not sure but i tried all sorts of jetting
but could not get cold starting to run properly
When i put 31k carbs on it starts fist kick and runs well
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Post by Delbert on Sept 6, 2014 8:46:45 GMT 1
250 carbs seem to work for some & not for others ,, as Ive said before I use 250 carbs on my conversion with no problem , had to down jet though ..
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