over the last few days i have put on a k&n air filter (replace stock air box), new supertrapp, progresive shocks, progresiv springs, new points, condenser and plug. i now have 3 new problems. 1- when i make a high speed run and let off it will puff white smoke as it winds down. it may have done this before. i never noticed it. 2- it seems to be softer @ the low end (grunt work). it is like this with 8 or 12 disks. 3- it seems to have a front end shimmy at high speed. the forks are set the same. i did lower them in the tree about an inch to make up for the new rear shocks. one more question. are the k&n filters pre oiled from the factory? the crank breather was white and came with lube. the air filter was red and came with none.
please help
john
tt500 new parts new problems-HELP
Started by
14cm
, Jun 02 2006 05:02 PM
6 replies to this topic
Posted 03 June 2006 - 03:20 AM
John,
You're going to have to do some rejetting to get this thing to run right. The air filter and pie are letting it breathe better, now it needs more fuel. I run bigger carbs on mine so can't be much help with jetting spescs.
Red colour on a K&N filter usually means it is oiled.
Are your shocks longer or shorter? You say you've "lowered them in the tree about an inch" I take it you've slid the fork legs down through the clamps to compensate for longer shocks?
Check the steering head bearings and preferably replace them with tapered roller bearings, there are kits available. Also check your wheel bearings (front and rear) and check the swingarm bearings. TT500's should not shimmy.
Cheers Brent
PS check out. http://www.yamaha-xt500.com
You're going to have to do some rejetting to get this thing to run right. The air filter and pie are letting it breathe better, now it needs more fuel. I run bigger carbs on mine so can't be much help with jetting spescs.
Red colour on a K&N filter usually means it is oiled.
Are your shocks longer or shorter? You say you've "lowered them in the tree about an inch" I take it you've slid the fork legs down through the clamps to compensate for longer shocks?
Check the steering head bearings and preferably replace them with tapered roller bearings, there are kits available. Also check your wheel bearings (front and rear) and check the swingarm bearings. TT500's should not shimmy.
Cheers Brent
PS check out. http://www.yamaha-xt500.com
Posted 03 June 2006 - 07:52 AM
brent, i am leaving for australia wednesday (work), i will fly into sidney then to mackay. i will be there for about 7 days.
Posted 05 June 2006 - 01:44 AM
Hi John,
I'm in Darwin, about 3000klm from Mackay.
Could be a bit out of your way.
Brent
I'm in Darwin, about 3000klm from Mackay.
Could be a bit out of your way.
Brent
Posted 10 June 2012 - 09:54 PM
brent j, on 03 June 2006 - 03:20 AM, said:
John,
You're going to have to do some rejetting to get this thing to run right. The air filter and pie are letting it breathe better, now it needs more fuel. I run bigger carbs on mine so can't be much help with jetting spescs.
Red colour on a K&N filter usually means it is oiled.
Are your shocks longer or shorter? You say you've "lowered them in the tree about an inch" I take it you've slid the fork legs down through the clamps to compensate for longer shocks?
Check the steering head bearings and preferably replace them with tapered roller bearings, there are kits available. Also check your wheel bearings (front and rear) and check the swingarm bearings. TT500's should not shimmy.
Cheers Brent
PS check out. http://www.yamaha-xt500.com
You're going to have to do some rejetting to get this thing to run right. The air filter and pie are letting it breathe better, now it needs more fuel. I run bigger carbs on mine so can't be much help with jetting spescs.
Red colour on a K&N filter usually means it is oiled.
Are your shocks longer or shorter? You say you've "lowered them in the tree about an inch" I take it you've slid the fork legs down through the clamps to compensate for longer shocks?
Check the steering head bearings and preferably replace them with tapered roller bearings, there are kits available. Also check your wheel bearings (front and rear) and check the swingarm bearings. TT500's should not shimmy.
Cheers Brent
PS check out. http://www.yamaha-xt500.com
Posted 12 June 2012 - 01:33 AM
All things being equal a bigger carb will give you more top end but less low down punch. This is due to the gas speed not being optimised at low revs. A 38 may well be ok, it depends what exhaust mods have been done. On a standard exhaust it will probably be slower than a smaller carb
Posted 15 June 2012 - 04:20 PM
Hi John,
Take the plug, points and condenser out of the issue. They are like for like replacements and shouldn't be an issue. (Assuming they are.)
The filter & pipe.
Another contributor mentioned the carb needs re-jetting. Spot on. Take it to a bike shop and get it done right. No more high speed runs until it's done. You'll be damaging the pistons crown and valve faces from the additional heat of a lean fuel air mix. The top end (NT) isn't known for its cool climate. (I'm in Melbourne btw)
The Suspension
The high speed wobble your experiencing is from the change in frame geometry you made when changing the rears and (effectively) lowering the front end.
There is a wealth of information on the web about setup of bikes. Start reading, and put it back to standard. Make one change at a time, take it for a ride and feel the difference. Great way to learn.
Enjoy Bud
Cheers
Take the plug, points and condenser out of the issue. They are like for like replacements and shouldn't be an issue. (Assuming they are.)
The filter & pipe.
Another contributor mentioned the carb needs re-jetting. Spot on. Take it to a bike shop and get it done right. No more high speed runs until it's done. You'll be damaging the pistons crown and valve faces from the additional heat of a lean fuel air mix. The top end (NT) isn't known for its cool climate. (I'm in Melbourne btw)
The Suspension
The high speed wobble your experiencing is from the change in frame geometry you made when changing the rears and (effectively) lowering the front end.
There is a wealth of information on the web about setup of bikes. Start reading, and put it back to standard. Make one change at a time, take it for a ride and feel the difference. Great way to learn.
Enjoy Bud
Cheers
