| Author | Message | ||
     Cd89068 |
Anyone else getting a valve ticking around 3000rpm? Ive noticed it for awhile but my dealer tells me this is normal. I always understood that valve clicking or clatter meant that something was wrong with the valve timing. Is this a warranty issue? Thanks, Chris | ||
| Carbonbigfoot |
Mine has always sounded like a sewing machine with rocks in it... Not a quiet motor. Rob | ||
| Boogiman1981 |
seems i have a knack for bikes with noisy motors. my cruiser is the same way sounds like someone in there with a spoon. | ||
| Spectrum |
What grade of gas are you running? | ||
| Cd89068 |
Always 93 or higher. | ||
| Clarkjw |
Hey, I only run premium Shell and BP. I'm getting the same clicking. | ||
| Fast1075 |
One of the guys I ride with has a '25 that sounds like it has rocks in the motor...it is scary sounding...but it runs good and he is completely unconcerned.. | ||
| Hitman44139 |
I was always told not to put BP gas in my bike... by the dealer... why I have no idea but never have. | ||
| Cd89068 |
The clicking is not coming from pre-ignition engine knock. It is definitely from the valves themselves. The premium fuel should not cause valve ticking. I don't know if its the hydraulic lifters that are making the noise or what. I just wondered if I was the only one and if not then what I could do to make it go away. | ||
| Gregtonn |
"I don't know if its the hydraulic lifters..." The 1125 doesn't have hydraulic lifters. G | ||
| Geforce |
The only station here locally that even attempts to sell 93 octane is BP. I run it in all my vehicles. I tried using 91 at the other stations and had performance issues when I did so. Bike certainly didn't like it much. Filled her up with 93 from BP and it's all smiles. CD, I wouldn't be too concerned with the valve train noise, it is always going to be there on these motors. I would be very concerned if you notice any change in performance, idle, cruising, WOT sprints, etc. Key indicators to look for after you experience those things would be exhaust gas discoloration IE: black, grey or white smoke. I know it doesn't seem normal, I have a built up turbo V-6 that sounds like a diesel truck at idle due to valve train upgrades and it frightens many friends when they first hear it. If there is a serious issue, your dealer will find it. If they give you the thumbs up, ride it. If it frags after they give you the thumbs up then warranty is going to kick in. Good luck, and may the torque be with you. | ||
| Cd89068 |
I don't know exactly how a Finger Follower Valve differs from a hydraulic valve. But I have read that most hydraulic valves are self adjusting. So maybe the valve fingers were not shimmed properly at the factory and this is causing a low rpm tick? | ||
| Cd89068 |
Yea, I think the tick is something I am going to have to live with. Thanks Geforce. | ||
| Rockstarblast1 |
BP gas is bad stick with shell or Sunoco. Bp mixed with thoes 2 will make a jelly type substance in the tank and make a mess of the whole fuel system. My dad learnred the had way with his probe gt and it cost hime almost 2 grand. A long time ago. Iv always been told stay away from bp | ||
| Steeltech |
You are going to hear the valves more on the 1125 since the air box is is a straight shot towards your head. On most other sport bikes you are dealing with much smaller valves and there is a gas tank that separates you from the noise. This bike has some big...behind...valves and only a little plastic to shield you from that noise. Only way to 'solve' it is go buy a louder exhaust : ). There are quite a few of those out so far. As for the valve train design:  ST | ||
| Fast1075 |
Cool...are the rocker shafts eccentric to adjust the lash?? | ||
| Gearhead571 |
No. There are shims under the follower on the valve stem. BMW uses the same system on the M3 as does Formula 1 engines. Less valvetrain mass than shim and Bucket followers. More valve stability at high RPM. | ||
| Dentguy |
BMW uses the same system on the M3 as does Formula 1 engines. So does the KTM RC8. | ||
| Ccryder |
Hmmm, mine has been compared to a concrete truck mixing up a batch (I just let them think that as I'm screaming by accelerating with the front wheel skipping down the road!). After 18,500+ miles, mine has gotten a little quieter and much smoother (not bad for just 12 months). Time2Run Neil S. | ||
| Xbswede |
What are you doing riding around at 3000 rpm? crank her up = less clatter.  | ||
| Boogiman1981 |
does anyone else think there is more to the gelatinous gas story? | ||
| Hootowl |
yep. Valero manufactures the vast majority of gasoline used in America. BP, Chevron, Shell etc. also produce, but chances are, that Shell station you just bought gas from is selling you valero gasoline with the Shell additive package. The additives are actually mixed in the delivery truck. Gasoline is pipelined to most cities. They all line their trucks up at the same spigot. Gasoline refiners sell their product on the open market, just like oil. The oil Chevron drills is sold to Shell and vice versa. It is a global commodity. Same with gasoline. I suspect someone sugared the guy's tank. | ||
| Dentguy |
+1 to what Hootowl said. Additives are added by Shell, BP, etc. to make it theirs. I've mixed all those brands (Shell, Sunoco, BP) and never had a "jelly type" problem. Gasoline has to meet a minimum standard for detergent additives. Some retailers go beyond that to be Top Tier. This applies to all their gasoline grades, not just the higher octane stuff. Here is some info. http://www.toptiergas.com/index.html (Message edited by dentguy on April 03, 2009) | ||
| Boltrider |
No experience here with solid lifters, but I was always told they are noisy | ||
| Fast1075 |
Looking at the above picture, the straight cut cam gears may have something to do with the noise...very strong, very precise timing, inherently noisy....I'll take strong and noisy over quiet and weak any day. | ||
| Crowley |
Mounted in a frame, that picture is actually quite nice artwork, as well as a damn neat OHC arrangement  |
