Rieju & GasGas Legacy Riders Club Forum  

Go Back   Rieju & GasGas Legacy Riders Club Forum > GasGas Enduro Technical Forums > Enduro Intake/Carburetion - 2 stroke

Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc.


Reply
 
Thread Tools Display Modes
  #1  
Old 07-25-2013, 11:32 PM
AZRickD AZRickD is offline
Senior Member
 
Join Date: Feb 2007
Posts: 1,838
Default Smart Carb vs Lectron vs RB-Designs Mod

A non-riding vacation next week gives me a window of opportunity.

I can either send my 2011 250's AS2 carb to Ron for his RB carb mod for $167, or to go with APT Smart Carb (cast version) for $375,
or the Lectron $315 (me thinks).

Which way would you go iffin you were me?

I have had RB mods on both my KDX220 and my '05 DE250 with fine results.

Also, RB's mod has a bore increase from 38 to 39. My riding style dictates that I won't use any more top end, as I prefer more bottom. I'm actually thinking of adding the reed spacer from my other bike (and removing the boot spacer thingy to make room, if need be).


Reply With Quote


  #2  
Old 07-26-2013, 12:13 AM
Jakobi's Avatar
Jakobi Jakobi is offline
Super Moderator
 
Join Date: Oct 2010
Location: Australia
Posts: 7,994
Default

I can't comment on Rons work, but between the two other carbs and what you've said I'd probably go for a 36mm model which will give you a more useful power curve for trail work.

Between the Lectron and Smart Carb.. its a tough choice. Personally, if going the SC route I'd at least hold off until the 3rd generation are developed and released.
Reply With Quote
  #3  
Old 07-26-2013, 12:56 AM
swazi_matt swazi_matt is offline
Senior Member
 
Join Date: May 2010
Location: From Swaziland, Now Hamilton New Zealand the “look but don’t touch” enduro heaven
Posts: 2,334
Default

Cannot comment on the rb mod but would be more inclined to go with one of the other two purely from the point that you can carry it over to your next bike when you sell, like a steering damper
__________________
2003 txt250 Pro
2013 Ossa 280i
Reply With Quote
  #4  
Old 07-26-2013, 08:42 AM
roverhybrids roverhybrids is offline
Senior Member
 
Join Date: Mar 2011
Location: Redding, CA
Posts: 385
Default

I would wait on the SC.
I have the RB carb on my 300
__________________
2011 GasGas ec300R
2011 GasGas ec200 Six Days
Reply With Quote
  #5  
Old 07-26-2013, 12:15 PM
AZRickD AZRickD is offline
Senior Member
 
Join Date: Feb 2007
Posts: 1,838
Default

I have been reasonably happy with the RB mod on my '05. Not earth shaking like the head mod but it cleaned things up a bit and made me the Dead -Engine Start King.

Is this new release the "3rd Gen" or is the Gen2 in the cast version?

What other problems does he ned to address? Cable? Off-Idle? Metering Rod?

When folks say they are 90% happy with the APT SCarb, is it because they have raised the bar so high? Were they only 80% happy with the RB modded carb? Is the Lectron getting sorted out ?
Reply With Quote
  #6  
Old 07-26-2013, 01:05 PM
singletracker singletracker is offline
Senior Member
 
Join Date: Nov 2011
Location: Illinois
Posts: 428
Default

I don't have experience with SC or the RB mod, but I am happy with the Lectron. It's easy to make adjustments and I haven't had to fuss with it at all after installing it. I've never touched the floats or had any other issues. I did have to modify my stock throttle cable to get it to work, but I recently replaced it with one of Lectron's custom cables. The custom cable fit and works flawlessly. My bike runs better at every throttle position than it did with the stock carb, and it is very smooth.

I can't say what would be better for you, but it seems like many of the SC guys have been fussing over this and that quite a bit. Although the SC is supposed to be more technically advanced, I beleive the Lectron is much more sorted out. I really can't imagine the SC working any better than my Lectron is for my riding and location.
__________________
2011 250xc Race
Reply With Quote
  #7  
Old 07-28-2013, 03:43 AM
n_green n_green is offline
Senior Member
 
Join Date: Jun 2012
Location: Sydney, Australia
Posts: 675
Default

What exactly is involved in a RB modded carb?

If you want bottom end and a modded carb I have my oval bored 36 x 39mm AS2 carb i'd happily swap for a 38mm?

Finally got the jetting in my bike close to perfect using Jakes 38mm carb and I'm really happy with the power. Not looking forward to going back and re-jetting my oval bore when Jake wants his 38mm back.
Reply With Quote
  #8  
Old 07-28-2013, 04:11 AM
Jakobi's Avatar
Jakobi Jakobi is offline
Super Moderator
 
Join Date: Oct 2010
Location: Australia
Posts: 7,994
Default

Maybe its just that fresh top end at work Nath.. and you're oval bore will take it to another level..

IMO the stock AS2 is very good. I didn't see the need to do anything to it other than spend time jetting it. Once its set a turn on the air screw, a half a clip pos here or there, and maybe a quick main change when seasons change is all it took.

The Lectron was very good too. Very quick to get mostly sorted.

The Smart Carb has provided decent results too, however I've had a few niggling issues to work through with it as well. That may just be me, my particular bike, or my smart carb too.
Reply With Quote
  #9  
Old 07-28-2013, 08:27 AM
AZRickD AZRickD is offline
Senior Member
 
Join Date: Feb 2007
Posts: 1,838
Default

If I were to jump, I'd go with the Lectron. The combo of metering rod and Power Jet makes sense to me.

However, buying a carb that requires me to buy a longer throttle cable is annoying.
Reply With Quote
  #10  
Old 07-30-2013, 12:58 PM
singletracker singletracker is offline
Senior Member
 
Join Date: Nov 2011
Location: Illinois
Posts: 428
Default

Quote:
Originally Posted by AZRickD View Post
If I were to jump, I'd go with the Lectron. The combo of metering rod and Power Jet makes sense to me.

However, buying a carb that requires me to buy a longer throttle cable is annoying.
I can see your point about the throttle cable, but if you go into it understanding that is an additional upfront cost then it is just a matter of money. The stock cable can be made to work, but Lectron's cable is better.

My bike is running great with the Lectron. I'm running a leaner setting than previously, and I couldn't be happier with it. I'm also noticing better fuel mileage now, but I haven't raced it at the current settings.
__________________
2011 250xc Race
Reply With Quote
Reply



Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Lectron Carb singletracker Enduro Product Reviews 145 07-27-2013 12:20 AM
Smart carb my review Diggs345 Enduro Product Reviews 9 11-28-2012 03:28 PM
RB-Designs carb mod or PowerNow? AZRickD Enduro Intake/Carburetion - 2 stroke 14 01-23-2009 05:50 PM
RB Designs Carb Mod Magellan Enduro Product Reviews 18 06-11-2008 01:44 PM
RB Designs Carb Mod? Boomhauer Enduro Intake/Carburetion - 2 stroke 4 03-20-2007 03:09 PM




All times are GMT -5. The time now is 04:16 AM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright 2009 - GasGasRider.org