Air out of right exhaust much warmer than left exhaust.
I have Rush slip on's on my bike. The air being emitted from the right side exhaust (front cylinder) is warmer and stronger than the exhaust air being emitted from the left (rear cylinder). The right (front) slip on portion of the exhaust is much warmer to the touch than the left side (rear cylinder). I noticed in the left (rear) slipon a littleness wetness (black and oily) at the bottom rear of same. The bike seems to be running ok however. I have noticed some difference in the sound. Doesn't sound as strong and or as loud. Both spark plugs appear to have the same color with respect to firing. Neither plug is oily. The check engine light comes back on for a few seconds after start up then goes off and doesn't come on again until after the next start up. The year model is a 2007. The selector down below would not allow the choice of an 07. 2007 Harley Davidson Ultra Classic.
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Check the pipe right where they come out of the heads. It depends on what type of exhaust system you have on your Road King. If the stock exhaust is on the bike, the rear cylinder exhaust is directed to both mufflers. With the exhaust from the front and part of the exhaust from the rear cylinders going to the right side muffler, it gets more exhaust than the left side and runs hotter. Like I said, check the temp of the exhaust pipes at the cylinder heads. If one of them is cold, that cylinder is not firing. As long as both of the pipes are hot there, you're fine. Just ride the bike and have fun.
Clay, you have a tiger by the tail. There are a lot of little parts to the carb system. I will try to assist you in the basics without carb removal. This may require a few replies back and forth. Start by turning off the gas then drain the carbs. Now turn on the gas and check to see that fuel flows into each carb. If gas starts flowing out of all the float bowls, now that the gas is back on, then all carbs are getting gas. To drain the carbs just remove the drain screw on the bottom of each carb float bowl. Two carbs have the drain screw on the left, two have it on the right side. Reply with what you find.
if there are air valves, those early bike sometimes needed air, about 5psi, do not use a compresor, use a small hand pump, or proper low pressure inflator. A standard tyre inflater will blow the seals.
The guard should not hit no matter what the pressure, check the exhaust is the correct one for the bike,check for a bent frame or forks
hi if its a 4stroke 125..(not a 2stroke...)...lets say its the 125 4stroke engine...as you are sat on the scooter. the left hand side of the engine(not the exhaust side thats.right side as sat on scooter)..so left hand side of engine...below the air filtter box is a metal cover which as the drive belt in it!!..to the front of cover there is a dip stick..unscrew it & you can check the oil level & this is all so were you put the engine oil in......hope this helps!!
You are obviously not getting good combustion on that cylinder that is only warm. You are not running 100% on all 4. That WILL cause issues in the future because it upsets the balance. The bike is not firing evenly. Is this thing new?
well....I would say the RUSH slip on's have a nice sound and give some performance increase. I put them on my XL883 and now it sounds like a harley instead of a moped. They have a nice deep sound to them and have a good bark to them when you get on it, but at cruise tame down to a nice rumble. You can put on the rush slip on's up to a 2" baffle with out needing to remap, now when you change your air cleaner too, a remap would be in order.