ChrisS
|
| posted on 3/3/08 at 11:15 AM |
|
|
Transmission Noises/Clonking
Hi
Is it normal for the BEC transmision to be so clonky. When i put it into gear it clonks, and when im on slowing down or when im going slowly/on and
off the throttle it all sounds a bit clonky.
Everything is bolted up nice and tight.
When under power and acceleration everything sounds fine, but even then gear changing stil sounds clonky. I know bike gearboxes usually have this
clonky sort of feel, and that with the fact that the diff is bolted solid, is it just a case of evrything being amplified?
your thoughts much appreciated.
Thanks.
PS some better Pics for those interested.
.JPG)
.JPG)
.JPG)
.JPG)
.JPG)
[Edited on 3/3/08 by ChrisS]
|
|
|
|
|
Paul TigerB6
|
| posted on 3/3/08 at 11:20 AM |
|
|
Have you got a torque resilient tube prop fitted (or some other form of cush drive)???
Might be worth the investment if not as your transmittion will have a much less stressed life.
Paul
|
|
|
bigrich
|
| posted on 3/3/08 at 11:21 AM |
|
|
pretty much spot on mate, the prop and solid mounted axle amplify the noises through the chassis tubes. just learn to ignore it
the initial 1st gear clonk is normal but if you depress the clutch for a few seconds before engaging 1st gear it will reduce it some what, Bikes have
a cushioned drive to deal with this but still clonk into gear
i have used the rubber mounts on my diff which has made the driveline much quieter than my previous BEC
Rich
[Edited on 3/3/08 by bigrich]
.JPG)
A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
|
|
|
ChrisS
|
| posted on 3/3/08 at 11:28 AM |
|
|
quote:
Originally posted by Paul TigerB6
Have you got a torque resilient tube prop fitted (or some other form of cush drive)???
Might be worth the investment if not as your transmittion will have a much less stressed life.
Paul
The prop is one supplied by MK, and its got a rubber mid section, butimnot sure what the cush drive or torque resiliant thing is you mention.
|
|
|
BenB
|
| posted on 3/3/08 at 11:48 AM |
|
|
Oh yes 
Much clonking!!
Tends to happen mostly at low speed or, as mentioned, the 1st to 2nd shift.
Answer is to keep going fast
Then again, I've got no cush-drive at all!! Might slow down the 0-60
|
|
|
Mr Whippy
|
| posted on 3/3/08 at 11:51 AM |
|
|
your driving in a tin can, what do you expect? It's like my neighbour panicking at the slightest noise his landy makes - It's a flippin
landy not a car!
[Edited on 3/3/08 by Mr Whippy]
|
|
|
r1_pete
|
| posted on 3/3/08 at 12:41 PM |
|
|
My R1 used to be a bit clunky going into 1st, I slowed the tickover down, made a big difference. 1st to 2nd is noisy on my mates bike, but
mine's ok, had his from new and its always been like it, so I wouldn't worry.
Pete.
|
|
|
Hellfire
|
| posted on 3/3/08 at 12:43 PM |
|
|
quote:
Originally posted by ChrisS
The prop is one supplied by MK, and its got a rubber mid section, butimnot sure what the cush drive or torque resiliant thing is you mention.
Sounds like you have a standard prop fitted. A TRT prop is basically where either the front or rear section has a tube within a tube which are bonded
together with rubber. This cushioning absorbs a lot of the gearbox clunks and must help to preserve your gearbox. Dunning & Fairbank and Bailey
Morris are two companies amongst others, who can provide TRT props.
Phil
|
|
|
motorcycle_mayhem
|
| posted on 3/3/08 at 03:04 PM |
|
|
Hmmm.... sounds like a serious problem, caused by a light right foot and too much exhaust silencing.
|
|
|
Mr Whippy
|
| posted on 3/3/08 at 04:02 PM |
|
|
quote:
Originally posted by motorcycle_mayhem
Hmmm.... sounds like a serious problem, caused by a light right foot and too much exhaust silencing.
|
|
|
motorcycle_mayhem
|
| posted on 4/3/08 at 10:19 AM |
|
|
..with the possibility of inadequate induction roar...
|
|
|
