ADVrider

Go Back   ADVrider > Bikes > Trials
User Name
Password
Register Inmates Photos Site Rules Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 09-22-2013, 12:36 AM   #16
Twin-shocker
Beastly Adventurer
 
Joined: Jan 2012
Oddometer: 1,673
Mikuni carbs on Beta tend to vent fuel through the atmo tube, due to the angle the carb is mounted, and if the fuel is left switched on, this can drain all the fuel from tank. There is a relatively simple modification that was done back in the day to cure this, which relocates the atmo vent internally, which means no more problems.
Twin-shocker is offline   Reply With Quote
Old 09-22-2013, 05:20 AM   #17
Gordy
Team Listo
 
Gordy's Avatar
 
Joined: Dec 2001
Location: NM
Oddometer: 21,303
We are supposed to re-jet?
Gordy is offline   Reply With Quote
Old 09-22-2013, 06:26 AM   #18
lineaway
Beastly Adventurer
 
Joined: Oct 2011
Location: nm
Oddometer: 2,085
http://www.trialscentral.com/forums/...3-mikuni-carb/
This is the third version of the beta carb fix. which says to buy a new carb. The first version is the Billy T. fix which involved a float height and vent tube fix. The one twinshocker states involved drilling two holes inside the carb body and adding a cross over pipe.

This could take days to read if you have the time, or put the v- cut up high and I can help set the floats if you are still having problems.
lineaway is online now   Reply With Quote
Old 09-22-2013, 06:36 AM   #19
joe cool
Studly Adventurer
 
joe cool's Avatar
 
Joined: Aug 2004
Location: southwest,ohio
Oddometer: 809
Also when you park the bike try to keep the front wheel higher than the rear to stop the bike from flooding. I now run a dellorto carb on my 05 Rev. which works much better.
__________________
"One more day I find myself alive
Tomorrow maybe go beneath the ground"
Garcia/Hunter
joe cool is offline   Reply With Quote
Old 09-22-2013, 02:38 PM   #20
Twin-shocker
Beastly Adventurer
 
Joined: Jan 2012
Oddometer: 1,673
The only real cure for the Beta Mik carb flooding problem is relocating where the atmo tube intake is inside the carb body. As the carb is mounted at an angle, the position of the intake needs to be moved to stop fuel self siphoning through the atmo tube. Used to be details of how to do this on the net, but cant find them now. Was pretty easy to do though, and involved a small drill and blocking the old intake with epoxy (cant remember exact details though, as not done one for a long while).
Twin-shocker is offline   Reply With Quote
Old 09-22-2013, 02:50 PM   #21
BEEF706 OP
King of the dumb dab
 
BEEF706's Avatar
 
Joined: Sep 2006
Location: Rio Rancho NM
Oddometer: 624
The nature of the problem was mine, when I put the carb back together the first time last night, I did it with the carb upside-down. The floats then got hung up, and the mayhem ensued. I had no issues today, (not with the carb anyway ) and was careful to turn off the tap when I stopped for a while (several times). Thanks to all that responded, I had a great day out (up until I punctured the front). The impressions of a noob, I can balance the Beta better than the Gasgas, I was able to balance a lot longer using a side to side motion of the front wheel (just like Ryan Young's video), I can turn tighter on it, and a still get brain fade the minute we set up a section
__________________
NMOHVA Member NMTA Member
07 CRF450x, 04 Beta Rev3 270, 76 TY 175, I'm a dirty old man
A good friend will take you trail riding, an ADV friend will double back and say, "how did you get down there?"
BEEF706 is online now   Reply With Quote
Old 09-22-2013, 02:55 PM   #22
lineaway
Beastly Adventurer
 
Joined: Oct 2011
Location: nm
Oddometer: 2,085
So the road in was not washed away?
lineaway is online now   Reply With Quote
Old 09-22-2013, 03:05 PM   #23
BEEF706 OP
King of the dumb dab
 
BEEF706's Avatar
 
Joined: Sep 2006
Location: Rio Rancho NM
Oddometer: 624
The middle section was rougher, and the bottom is really sandy, but even my girly man rig made it no problem.
__________________
NMOHVA Member NMTA Member
07 CRF450x, 04 Beta Rev3 270, 76 TY 175, I'm a dirty old man
A good friend will take you trail riding, an ADV friend will double back and say, "how did you get down there?"
BEEF706 is online now   Reply With Quote
Old 09-22-2013, 06:39 PM   #24
NMTrailboss
Team Dead End
 
NMTrailboss's Avatar
 
Joined: Mar 2008
Location: Albuquerque, NM
Oddometer: 5,584
Quote:
Originally Posted by lineaway View Post
So the road in was not washed away?
Road is fine Bob. As Larry said, it is pretty sandy at the bottom from the water running down it, but otherwise normal. Many of the arroyo's at SY have had a ton of water through them and still have a lot of standing water and some mud, but it is totally rideable and in good shape...and green!!
__________________
NMTrailboss is offline   Reply With Quote
Old 09-22-2013, 07:04 PM   #25
lineaway
Beastly Adventurer
 
Joined: Oct 2011
Location: nm
Oddometer: 2,085
Great, will try to get out next weekend!
lineaway is online now   Reply With Quote
Old 09-23-2013, 07:30 PM   #26
BEEF706 OP
King of the dumb dab
 
BEEF706's Avatar
 
Joined: Sep 2006
Location: Rio Rancho NM
Oddometer: 624
As a follow up, I changed the tranny oil, and it was a little dirty, but not milky at all, so no water pump leak, and i changed the tube on the front, so the noob is back in business
__________________
NMOHVA Member NMTA Member
07 CRF450x, 04 Beta Rev3 270, 76 TY 175, I'm a dirty old man
A good friend will take you trail riding, an ADV friend will double back and say, "how did you get down there?"
BEEF706 is online now   Reply With Quote
Old 09-23-2013, 08:39 PM   #27
AteamNM
Wonna Be ADVrider
 
AteamNM's Avatar
 
Joined: Mar 2010
Location: Sandia Mountains New Mexico
Oddometer: 3,241
Quote:
the noob is back in business



Huba huba Prof. Larry. Lovin' your progression.

Thread - Confessions of a newb trials rider. Start form the beginning because this is gonna get good.
Subsribed.
AteamNM is online now   Reply With Quote
Old 09-23-2013, 08:39 PM   #28
NMTrailboss
Team Dead End
 
NMTrailboss's Avatar
 
Joined: Mar 2008
Location: Albuquerque, NM
Oddometer: 5,584
Quote:
Originally Posted by BEEF706 View Post
...the noob is back in business
__________________
NMTrailboss is offline   Reply With Quote
Old 09-28-2013, 03:34 PM   #29
BEEF706 OP
King of the dumb dab
 
BEEF706's Avatar
 
Joined: Sep 2006
Location: Rio Rancho NM
Oddometer: 624
All dressed up..

So I went on a cleaning binge on the Beta,

As I did i found a couple of more things, this bolt was missing:

and i needed to straighten the chain guid out.

and now she's ready to get dirty @ SanYo tomorrow
__________________
NMOHVA Member NMTA Member
07 CRF450x, 04 Beta Rev3 270, 76 TY 175, I'm a dirty old man
A good friend will take you trail riding, an ADV friend will double back and say, "how did you get down there?"
BEEF706 is online now   Reply With Quote
Old 09-28-2013, 06:03 PM   #30
brewtus
Buffoonery, Inc.
 
brewtus's Avatar
 
Joined: Jul 2008
Location: Albuquerque, not New, not Mexico.......
Oddometer: 2,702
Quote:
Originally Posted by BEEF706 View Post
So I went on a cleaning binge on the Beta....

It's an ex-Butler bike. Keep going, you're not done yet.





__________________
Work hard. Play hard.
Team Dead End. The drinking team with a Trials problem.
2-Time winner of the coveted "Best Shenanigans" award at Capt. Rick's annual BBQ.

brewtus screwed with this post 09-28-2013 at 06:03 PM Reason: Ex or ex! I'm no Eexpert......
brewtus is offline   Reply With Quote
Reply

Share

Thread Tools Search this Thread
Search this Thread:

.
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 On

Forum Jump


Times are GMT -7.   It's 06:56 PM.


Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Copyright ADVrider 2011-2014