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Shadow definetly jostled....
Old 09-21-2005, 04:03 PM   #21
jonegar
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Shadow definetly jostled....

HSGear, I'd like to go into a little more detail on your post if I could. I've parked the Ram (ga$$)and bought a 96' Shadow 1100C and love it. Proud owner for three weeks now. Took bike to dealer and had 16k service done and on trip home in trailer, took a slow curve, a strap came off, and the bike fell hard to the right side resting on the rail of the trailer. Apart from feeling like I just ran over my son's dog, I was pissed. Did not do much damage but exhaust for forward cyclinder was pushed back a little enough to restrict rear brake. Bent bracket back out (1/4" or so) and licked my wounds. All seemed to be fine but I have considerably more popping on decceleration than before the service. I thought the sync of the carbs and the service might of had something to do with it but after reading your post I'm thinking I might have caused this from the fall.
According the service manual I have read through, if I remember, it said to not adjust the pilot screws, that they were factory set. Can you elaborate what might cause the popping? Is it an air leak that is fixed by re-torqueing the bolts that hold the pipes to the cycliner? I was almost sick when the bike dumped. Is the popping bad for the bike? Sorry for the long first post....
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Old 09-21-2005, 07:24 PM   #22
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By bending the exhaust you may have created a leak. Either at the head or where the slip on connects to the pipe. That would cause the popping also.
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Old 09-21-2005, 10:13 PM   #23
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When I got home I checked the torque on the exhaust mount bolts and they were all not even set to 10 lbs so I tightened three of the four as close to 17 lbs as I could(one I could not reach, need a thin wall socket), and backed off the pilot screws about one full turn. Seemed to help some but still popping quite a bit in the lower gear range at full de-throttle. Should I go through the hassle of removing the exhaust and inspecting the seals or just continue to ride and learn to love the pop? I don't want to allow anything that will harm the engine over the long term. Wife is mad enough as it is.... can't let something go that might cost more in the long run....
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Old 09-21-2005, 10:19 PM   #24
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For the couple of $$'s the crush gaskets cost, I'd pull the exhaust and replace them and then torque the exhaust down again. That will at least eliminate that as being a part of the problem (if it still exists after you are done)
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Old 09-22-2005, 08:22 AM   #25
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Question

One last question, the exhaust on my bike is aftermarket and I'm not sure of the manufacturer. I've looked for anything which might indicate the brand and I suspect it may be under the covers. Any idea if the crush ring would be standard or, what came origianlly on the bike. I'd like to run by the dealer today and pick some up if I know they will fit properly. I guess the alternative is pull the exhaust and then take the rings in to see if there a match.... Any thoughts?
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Old 09-22-2005, 08:55 AM   #26
RustyJake
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The rings would be at the exhaust port on the motor, so no matter what pipes you run, it's the crush gaskets for that model of bike.
A lot of times when you take the pipes off you'd think there was no gasket in there, but it's there......crushed and pressed in. Usually an awl or small pick you can get it out.
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Old 09-22-2005, 09:00 AM   #27
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Thanks for the info. I'll pick some up and swap them out this week end.
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Popping deceleration follow-up
Old 09-25-2005, 12:02 AM   #28
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Thumbs up Popping deceleration follow-up

Wanted to post an updated on my jiffy-popping everytime I let off the throttle. Pulled the forward exhaust (one that got bent) and replaced the crush ring ($6 from Honda) and put back together. Reset both pilot screws to 2 3/4 turns per Table 1 in the Clymer manual (I had backed them out to 3 1/2 to stop the pop), and took a ride. Sounds like it did when I first got it, no more popcorn and a richer sound. Thanks for the advice. Forums like these have proven very valuable to me.
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Old 11-28-2005, 09:34 AM   #29
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Smile

Personally, I would pull the plugs, If one or more have dark soot on it, then it is either running rich or the plug is partially fouled. A fouled plug will fire late sometimes therefore causing it to fire while the exhaust valve is open with unburned fuel in the cylinder. A cold plug at start-up would show signs of wear soonest. A carb adjustment or at time a hotter plug may be all you need. I doubt that the carbs would have to be pulled. Good luck....

Mike in Waco, Tx. ( 95 vt1100c2 )

Last edited by shadycreek : 11-29-2005 at 02:12 PM.
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Old 02-16-2006, 05:42 PM   #30
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Okay, the bike runs fine at idle, no poping. But when I decel I'm getting popping. The gas is a a couple of months old and has stabil in it. The bike was running great when I put her up for the winter. I changed my set of burbs for another set of burbs over the winter, so I'm wondering, is it the shitty gas causing the popping on decel, or by changing the pipes did it change somehow? The pipes were very similar, I rejetted, and like I said, it was running great this fall before I put her away. What you all think? I want to get the gass out of the tank and get some fresh high octane in ther and let it run for awhile, but weather is not permitting at this time.
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