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Old 03-17-2010, 05:29 PM   #6481
zappa71
60.000 km BIG fun
 
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Yo Bleusman,

my mate had the complete shock, might be not completely set up right cause saw him making some strange side ways jumps in to the woods

But the WP set up on KTM is far better also the stiffer frame.. just look where you want to go and put on the gas

But will follow Vilguy and will tell the dutch BIG club when the can order it..
But like the challenge a old, heavy not well springed BIG gifs you when going off road.. and the old beast can do more than you think
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Old 03-18-2010, 01:18 AM   #6482
giankapp
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Quote:
Originally Posted by ppe172
Giancarlo,

When you move the piston both sets of valves should open and close if you move the crank through 2 rotations. It might be possible to overtighten the decompressor so that it would always hold the right exhaust valve open but
as far as I recall, the decompressor only works on one of the exhaust valves so I would think that the other one should move regardless of what you did to the decomp. Did you loosen the decomp lever bolt before you tried moving the valves? What did the noise sound like? Maybe someone else has some input.

Ed
I'm sorry for the confusion, reading your replie I thought that I made turn the piston only in my box, so I went in a bigger area and remake the test saying that the exhaust valves move too, they have a shorter movement respect to the suction ones and I didn't note it. To check the decompression lever work and to adjust the clearence I should understand its exact work. What should the decompression lever do? ( I'm a primer in Mechanical )
thankS
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Old 03-18-2010, 01:39 AM   #6483
ztaj
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Quote:
Originally Posted by giankapp
I'm sorry for the confusion, reading your replie I thought that I made turn the piston only in my box, so I went in a bigger area and remake the test saying that the exhaust valves move too, they have a shorter movement respect to the suction ones and I didn't note it. To check the decompression lever work and to adjust the clearence I should understand its exact work. What should the decompression lever do? ( I'm a primer in Mechanical )
thankS
As far as I know giankapp it holds the right side tappet down, thereby opening up an exhaust valve, you can probly see it working if you have the tappet clearance cover off, look in from the left hand side of the engine and pull the decomp lever in, the right hand tappet should move down slightly.
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Old 03-18-2010, 01:57 AM   #6484
bluesman
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Quote:
Originally Posted by zappa71
Yo Bleusman,

my mate had the complete shock, might be not completely set up right cause saw him making some strange side ways jumps in to the woods

But the WP set up on KTM is far better also the stiffer frame.. just look where you want to go and put on the gas

But will follow Vilguy and will tell the dutch BIG club when the can order it..
But like the challenge a old, heavy not well springed BIG gifs you when going off road.. and the old beast can do more than you think
You right - I was actually surprised to find that DR stock shock is by far not as bad as usually "budget" shocks are...I mean comparing with some other bikes I worked it - damping on DR shock is much better!
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Old 03-18-2010, 02:32 AM   #6485
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i reckon the polish dr big club will be interested also, but my polish is extremely limited ... and google translator isnt the best haha. So i will get my friend to translate it for me

im taking the big to my new company workshop tonight so i can finally get it finished!
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Old 03-18-2010, 03:21 AM   #6486
DrBigEd
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Quote:
Originally Posted by vilguy
i reckon the polish dr big club will be interested also, but my polish is extremely limited ... and google translator isnt the best haha. So i will get my friend to translate it for me

im taking the big to my new company workshop tonight so i can finally get it finished!
Slacking there vilguy... tut, tut...
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Old 03-18-2010, 03:55 AM   #6487
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well i am kinda busy moving my office up north 100 miles at the moment
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Old 03-18-2010, 04:53 AM   #6488
DrBigEd
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Quote:
Originally Posted by vilguy
well i am kinda busy moving my office up north 100 miles at the moment
Ok, I'll let it slide this time...
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Old 03-18-2010, 05:53 AM   #6489
giankapp
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Quote:
Originally Posted by ztaj
As far as I know giankapp it holds the right side tappet down, thereby opening up an exhaust valve, you can probly see it working if you have the tappet clearance cover off, look in from the left hand side of the engine and pull the decomp lever in, the right hand tappet should move down slightly.
What does it mean "should move down slightly"?
The decompression lever act on a tree that turns. This turn make a pression on the valves's arm but I don't see any sensible change. What shoul be happens with this slight move down?
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Old 03-18-2010, 07:36 AM   #6490
vilguy
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Quote:
Originally Posted by DrBigEd
Ok, I'll let it slide this time...
having said that, i was just moaning to a work mate about this whole moving up to leeds thing being a complete and utter f*** up, i got asked to sleep on the floor of a flat for 7 days in a sleeping bag ffs!!!! (which got a rather unproffesional reply from me)

anyways, just chatting to my mate... who proceeded to go and get his boss, we had a quick chat and i just got a job offer with 20% pay rise, company car, much better pension, doing my passion (mechanical engineering) and having a more senior position whilst also paying for my masters degree....

sounds a pretty fair deal to me that one!

had to play it cool though... ive "got to discuss it with my fiance" ;)
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Old 03-18-2010, 04:41 PM   #6491
zappa71
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Some more BIG vids and so..

http://www.youtube.com/watch?v=qdDE7EREeRg

http://www.youtube.com/user/DRBIGZAP.../0/NZURsF9RF10



























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zappa71 screwed with this post 03-18-2010 at 04:53 PM
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Old 03-18-2010, 05:24 PM   #6492
tigascc
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Hey Guys! If you have Facebook accounts join this group: http://www.facebook.com/group.php?gi...7443200&ref=nf
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Old 03-18-2010, 05:30 PM   #6493
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Quote:
Originally Posted by zappa71
Some more BIG vids and so..



OMG!!! Did you got hurt with this? Where you able to recover the bike?
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Old 03-19-2010, 02:35 AM   #6494
robmoto
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Zappa 71 are you ok you hit hard man canyou fill us in on the photo.s or are you still in shock and may need to get checked out perhaps hope you are OK
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Old 03-19-2010, 02:57 AM   #6495
ztaj
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Quote:
Originally Posted by giankapp
What does it mean "should move down slightly"?
The decompression lever act on a tree that turns. This turn make a pression on the valves's arm but I don't see any sensible change. What shoul be happens with this slight move down?
I havn't seen any trees in my motor, but I may have missed them
On the inside of the de-comp is a cam which presses on the rocker, which opens an exhaust valve, thereby de-compressing the motor
Do you have a manual for the bike ?
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