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TOPIC: i really need some advice about jetting duals Forum Tools Post New Topic Show latest posts Rules

#548014 icemanwingsofgoldmc (User) Fresh Boarder Posts: 19 i really need some advice about jetting duals 5 Years, 4 Months ago   just rebuilt my top end put heavy duty valve springs ported the manifold and bought some 4'freedom performance racing duals and this is the set up stock carb dj needle set to the fourth mikuni main 172.5 and pms out 3 turns got here started but cant ride her cuz clutch cable broke but have to pull out choke to start her and running rich rear cylinder pipe is shooting out a flame and loud bang not idling right like looping and shuts off   Logged     The administrator has disabled public write access. #548024 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 10749 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   sounds like maybe you have exhaust valve sticking SVS   Logged       The administrator has disabled public write access. #548045 icemanwingsofgoldmc (User) Fresh Boarder Posts: 19 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   after my rebuild id rule that out inside heads are all clean and new springs also made sure all valves moved freely before installing them   Logged     The administrator has disabled public write access. #548054 smokescreens (User) lifes better riding twins Platinum Boarder Posts: 17430 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   put the push rods in the right spots? sorry but i cant remember if the inner rods go to the intake or exhaust side your jetting isnt super rich so you shouldnt be blowing flames out the pipe (unless thats the look your going for )   Logged       The administrator has disabled public write access. #548061 bkr4Jesus (User) Christ follower Senior Boarder Posts: 309 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   smokescreens wrote: put the push rods in the right spots? sorry but i cant remember if the inner rods go to the intake or exhaust side your jetting isnt super rich so you shouldnt be blowing flames out the pipe (unless thats the look your going for ) I'm with Smoke on this one. Very easy to reverse the push rods. (or at least that's what I hear)   Logged       The administrator has disabled public write access. #548078 SKWEARpeg (User) Platinum Boarder Posts: 12885 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   icemanwingsofgoldmc wrote: just rebuilt my top end put heavy duty valve springs ported the manifold and bought some 4'freedom performance racing duals and this is the set up stock carb dj needle set to the fourth mikuni main 172.5 and pms out 3 turns got here started but cant ride her cuz clutch cable broke but have to pull out choke to start her and running rich rear cylinder pipe is shooting out a flame and loud bang not idling right like looping and shuts off Your fine on the Choke(enricher..it adds fuel), the bike should need that to start if the carb is tuned properly. Turn the idle up, it should be between 850 and 950 rpms. The DJ needle is 1/2 of step shorter then a Barons needle, so you may need to move the clip to the 3rd groove with the 172.5 Mikuni main, and see how that works. Double check the float level. If there's a chance you might have reversed the push rods, then you should check that as well, per the above advice.   Logged     Last Edit: 2012/10/03 07:24 By SKWEARpeg.     The administrator has disabled public write access. #548092 GeorgiaStar (User) Expert Boarder Posts: 549 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   icemanwingsofgoldmc wrote: just rebuilt my top end put heavy duty valve springs ported the manifold and bought some 4'freedom performance racing duals and this is the set up stock carb dj needle set to the fourth mikuni main 172.5 and pms out 3 turns got here started but cant ride her cuz clutch cable broke but have to pull out choke to start her and running rich rear cylinder pipe is shooting out a flame and loud bang not idling right like looping and shuts off I just went through this, re-jetting that is, I've got Roadhouse Duals, with the sharkfin tips, but my setup is exactly the same except I've got the Baron's needle. and it runs like a charm. Honestly it has NEVER run so well! Damon   Logged     Retired Military, Patriot Guard Member, Engineer by trade   The administrator has disabled public write access. #548229 icemanwingsofgoldmc (User) Fresh Boarder Posts: 19 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   push rods are fine that was one of my main concerns when putting it back together i must have triple checked it a dozen times also i moved needle up to 3 but doesent help now i see white smoke out the same pipe and loud pop also the little brass tube that shoots a squirt doesnt seem to be squirting out when i throttle it   Logged     The administrator has disabled public write access. #548233 SKWEARpeg (User) Platinum Boarder Posts: 12885 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   Did you remember to cap the port on top of the manifold that used to go to the AIS? You may want to check to make sure you don't have a leak at the Head/manifold connection.   Logged       The administrator has disabled public write access. #548235 texasscott1 (User) Two of a kind Platinum Boarder Posts: 4486 Re:i really need some advice about jetting duals 5 Years, 4 Months ago   Also, on the 1700 one of the pushrods is a little longer than the other 3. Can't remember which one it is. The accelerator pump should squirt out gas with a little throttle when the engine is off. If it doesn't then there's something wrong with it or maybe the little O'ring in the float bowl is missing.   Logged     My 99 Standard Test Mule Scott B.   The administrator has disabled public write access.

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