using a 650 R carburator on a 650 L


12 replies to this topic
  • beachcruiser

Posted March 10, 2005 - 06:35 PM

#1

Has anyone attempted to use a R model carburator on a L model. I'm trying the cheap way out of buying the Edelbrock. I've heard in an old forum that it will work but you have to re-route the cables. :)

  • XRMANU

Posted March 13, 2005 - 01:56 PM

#2

I once put a 650R carb on a XR600 (bored to 660).Worked great when jetted right.

  • jws

Posted March 13, 2005 - 02:50 PM

#3

Has anyone attempted to use a R model carburator on a L model. I'm trying the cheap way out of buying the Edelbrock. I've heard in an old forum that it will work but you have to re-route the cables. :)



its worth a try..............

http://cgi.ebay.com/...me=STRK:MESE:IT

  • beachcruiser

Posted March 14, 2005 - 03:01 PM

#4

I certainly hope so because that was me that just bought the 650 R carb on EBAY. I'll keep ya'll informed. :)

  • Dual_Dog

Posted March 14, 2005 - 03:33 PM

#5

As long as the throat diameters, inlet and outlet side, are the same and you can connect, adapt, and/or replace the throttle setup it should work. If the diameters aren't the same, more adapter plates will be necessary. Just make sure you get airtight seals at both ends.

It may be hard to dial it in since there probably won't be any previous installations to refer back to. At least I've don't know of any. Don't let that stop you! :)

Good luck and keep us posted with your results.

  • jws

Posted March 14, 2005 - 06:15 PM

#6

I certainly hope so because that was me that just bought the 650 R carb on EBAY. I'll keep ya'll informed. :)



thanks for buying my carb :)

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  • qadsan

Posted March 14, 2005 - 07:31 PM

#7

$80 is really a pretty good deal on this package because buying it new from Honda would cost ~$510.55 and that doesn't include the cost of the optional jets (68s pilot jet, the 175 main jet and b53e HRC needle). $80 is a great deal if it works out good and hopefully it does :)


$390.15 - New 650R carb list price 16100-MBN-672
$21.56 - New Throttle Grip Assy 53140-429-000
$22.60 - Cable A 17910-MBN-670
$22.60 - Cable B 17920-MBN-670
$5.51 - Throttle slider 53162-MN1-670
$11.02 - New throttle housing (half) 53168-MN1-670
$17.20 - New throttle housing (other half) 53167-MN1-670
$6.04 - Cover throttle pully 53163-MN1-670
$3 - Screw 53164-MN1-670
$0.42 SCREW, PAN (6X16) 93500-06016-0G
$0.42 SCREW, PAN (6X16) 93500-06016-0G
$0.29 SCREW, OVAL (4X10) 93700-04010-0G
$8.16 - Throttle pulley 53169-MN1-670
$1.58 - Gasket 53165-MN1-670

  • XRMANU

Posted March 15, 2005 - 03:48 AM

#8

As long as the throat diameters, inlet and outlet side, are the same and you can connect, adapt, and/or replace the throttle setup it should work. If the diameters aren't the same, more adapter plates will be necessary. Just make sure you get airtight seals at both ends.


To put it on a XR600 ,I only needed the 650 clamp(airbox side).The rest matched.

  • qadsan

Posted March 15, 2005 - 10:19 AM

#9

XRMANU, was there a performance gain with the 650r carb or ???

  • XRMANU

Posted March 15, 2005 - 02:46 PM

#10

I putted the 650 carb on my "last" XR600 ('97):wiseco 102.4mm hc piston,ported head,HRC cam,lighted flywheel, open airbox,CRD big headers and custom carbon endcan.
Haven't any dynoruns done but the 660 pulled harder and had more overrev with the 650 carb, I had to put in some smaller jets (62/162 I think,it's 3 a 4 years back ).It pulled harder and had way more torque than the slighty used totaly stock XR650R (EU model-uncorked) I bought then,.The 660 made 170 -175 km/h(calibrated Sigma bike computer) with 15X42 and SM wheels. :)

  • beachcruiser

Posted March 15, 2005 - 02:47 PM

#11

Boy ya have ta be careful what ya say ya never know who's on the forum :) .
Thanks JWS. I hope to get it on in a few weeks. I just tested out my new K&N with new mixture screw, MUCH better. :p Can't wait to try R carb. :)

  • beachcruiser

Posted March 23, 2005 - 06:39 PM

#12

I received the carb today and got it installed. It will fit as a bolt on but you have to reroute the cables and fuel line. The L carb fuel inlet is on the left side and the R on the right. Air Inlet and outlets are the same diameter. We've had thunder storms all day but I managed to get in a short run down the road. It has noticeably faster throttle response. I wanted to change over because when doing a wheelie I would slightly roll off the throttle with a vacuum controlled L carb it shuts the slide down to fast. Now I can control the slide. Hope the weather breaks soon so I can try to balance it without it dropping so soon. I'm very impressed with the difference so far. :) :) :p

  • jws

Posted March 23, 2005 - 07:22 PM

#13

thats great :) :p :)

jeff





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