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Old 05-10-2012, 01:27 PM   #17656
RetrogradE
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Hey, I know this is a bit of a stretch, but do any of you have an aftermarket seat for an 1150GS Adventure?

I can either trade a stock black / yellow GSA seat or some dead presidents.

The standard GSA seat is a little too tall for me; I like the stock low seat I am using but wouldn't mind something a little . . . nicer.


PM me if you've got anything--thought I'd try Utards before posting in flea market.
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Old 05-10-2012, 01:58 PM   #17657
pluric
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Quote:
Originally Posted by RetrogradE View Post
Hey, I know this is a bit of a stretch, but do any of you have an aftermarket seat for an 1150GS Adventure?

I can either trade a stock black / yellow GSA seat or some dead presidents.

The standard GSA seat is a little too tall for me; I like the stock low seat I am using but wouldn't mind something a little . . . nicer.


PM me if you've got anything--thought I'd try Utards before posting in flea market.
How many of those Presidents do you have???

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Old 05-10-2012, 04:12 PM   #17658
dakardad
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Old 05-10-2012, 07:14 PM   #17659
miatre
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CRF motor pro needed

I have a crf250x moto that I am in the process putting a new top end on.
I put a 250r head, a hot cam and weisco piston in. Everything else is stock.
I have everything installed to make the motor run and it does run and start just fine.
Started it for the first time and there is an abnormal noise in the motor.
Turned it off and removed and reinstalled the kick starter and that helped with some of the abnormality noise but something else still doesn't sound right.
Im not certain what to look for next.

I have shimmed the valves prior to starting can turn the motor over by hand using allen head with no abnormal noise that I can tell.

The motor has ran for maybe 30 seconds. How long does the motor take to prime the oil to the head?

Suggestions?

TIA!
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Old 05-10-2012, 07:29 PM   #17660
pilo
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Quote:
CRF motor pro needed
I'm no motor pro but I've been in a few.

1) Did you take off the side cover and remove the kickstarter mechanism? They can be a pain to get back in properly.

2) Can/could you tell where the noise was coming from?

3) Are you sure the cam chain tensioner is installed correctly (tension pulled OUT before installation)?

4) All bolts were torqued properly (with a torque wrench).
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Old 05-10-2012, 08:00 PM   #17661
miatre
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Originally Posted by pilo View Post
I'm no motor pro but I've been in a few.

1) Did you take off the side cover and remove the kickstarter mechanism? They can be a pain to get back in properly.
I oringally had it in wrong. I took it out and put it back in. Some of the original bad noise is now gone. There are alignment marks on the kick starter that I didnt know of at the time.

2) Can/could you tell where the noise was coming from?
Not really I think its maybe in the head/cam chain but havent let it run long enough in fear of damaging something.

3) Are you sure the cam chain tensioner is installed correctly (tension pulled OUT before installation)?
Not certain about this one. What do you mean about tension pulled out? I installed the ACT with the pressure retracted, screwed it in and then let the tension out onto the cam chain. Ill go re-read the fsm.

4) All bolts were torqued properly (with a torque wrench).
All bolts other than the case bolts have been torqued.
Thanks for the fast reply.
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Old 05-10-2012, 08:21 PM   #17662
pilo
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Does the kick starter engage in the same spot it did before and spring back to the same spot? I've put them in wrong and they make a nutty sound.

By the way, the pressure builds pretty quickly, but when I go in to the head/valves I always dump a little oil around cam just to make sure there is enough there on startup.
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Old 05-10-2012, 08:35 PM   #17663
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Oh, and it sounds like you did the tensioner exactly correct.
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Old 05-11-2012, 07:37 AM   #17664
miatre
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Quote:
Originally Posted by pilo View Post
Does the kick starter engage in the same spot it did before and spring back to the same spot? I've put them in wrong and they make a nutty sound.

By the way, the pressure builds pretty quickly, but when I go in to the head/valves I always dump a little oil around cam just to make sure there is enough there on startup.
The first time I put it in the kick starter would move forward. The second time I put it back together it seems to stay in place.

I am going over everything in my head. I remember when I was test cycling the motor after putting all the working parts together to make sure nothing binded, that the compression cam was making noise.
I was thinking about it in the shower and haven't looked under the valve cover but I think this is the next place im going to look. The manual doesn't say much about it.

On the positive note, the motor starts super nice and with out hesitation unlike before. :-)

Again thanks for the help.
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Old 05-11-2012, 09:08 AM   #17665
miatre
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Quote:
Originally Posted by Proud Highway View Post
Another thing you may want to check is whether the cam bearings are seated properly. When I was assembling the top end on my 250x the grooves in the cam bearings did not want to seat in those races by themselves.

Thanks for the suggestion. I know full well of what you talk about. I had to take them out several times getting the shims with in correct number. I will look at that later today just in case I messed up. Pretty certain that the caps were sitting flush with the head part.

miatre screwed with this post 05-11-2012 at 09:22 AM
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Old 05-11-2012, 02:20 PM   #17666
trackhead
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Does the noise go away, or lessen with increased RPM?
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Old 05-11-2012, 03:48 PM   #17667
miatre
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Originally Posted by trackhead View Post
Does the noise go away, or lessen with increased RPM?
The noise increase's with speed.
So.. I took the valve cover off, poked and prodded. The valves are in tolerance all the way around. I cycled the motor through the strokes via the timing mark access, and didnt get the loud clank but a small one. It was caused by the compression cam. I took this out completely to eliminate probable causes.

I hooked the battery up and cycled the engine through use of starter motor. No loud or small clank.
I put an oil collector up to keep oil from everywhere and put the spark plug in and started it. I get loud clank. The noise seems to happen with a bit more rpm than turning by hand or electric starter.
If i was a guessing person I would now say it has something to do with the exhaust lobe/rocker arm.

Im too the point of completely disassembling the top end and starting again.

Here is a a hard description of the cycling of the cam. From 7-5:30 the cam moves smooth. Even with contact to the exhaust lobes its smooth. From the moment there is contact with the intake lifters there is 2 small pressure restrictions and then its smooth. Does this sound normal, about the pressure points on the cam lifters?

Thanks for the help guys and sorry for plugging up the BS thread with my tech questions.
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Old 05-11-2012, 04:52 PM   #17668
frog OP
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Quote:
Originally Posted by miatre View Post
The noise increase's with speed.
So.. I took the valve cover off, poked and prodded. The valves are in tolerance all the way around. I cycled the motor through the strokes via the timing mark access, and didnt get the loud clank but a small one. It was caused by the compression cam. I took this out completely to eliminate probable causes.

I hooked the battery up and cycled the engine through use of starter motor. No loud or small clank.
I put an oil collector up to keep oil from everywhere and put the spark plug in and started it. I get loud clank. The noise seems to happen with a bit more rpm than turning by hand or electric starter.
If i was a guessing person I would now say it has something to do with the exhaust lobe/rocker arm.

Im too the point of completely disassembling the top end and starting again.

Here is a a hard description of the cycling of the cam. From 7-5:30 the cam moves smooth. Even with contact to the exhaust lobes its smooth. From the moment there is contact with the intake lifters there is 2 small pressure restrictions and then its smooth. Does this sound normal, about the pressure points on the cam lifters?

Thanks for the help guys and sorry for plugging up the BS thread with my tech questions.
Is the clank slower or faster Hz then the "pop" of the exhaust coming out the tailpipe?
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Old 05-12-2012, 11:34 AM   #17669
miatre
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Originally Posted by frog View Post
Is the clank slower or faster Hz then the "pop" of the exhaust coming out the tailpipe?
Not certain what Hz is.

Well if you want a mechanics drama story.. read on. If not the updates are at the bottom paragraph.

My CRF Short story. Bought the bike with a hot cams in it. I rode the bike last season on and off and noticed the burning of the oil and often hard starts. Checked the valves probably too late and they were way off. I decided to open the machine up to see what would cause the burning and was expecting to replace piston and rings. Wrong. I have some cracked and missing valve seats hence the purchase of the new 250 r head. So read the prior posts to understand the current assembly experiences.

Well late last night i decide to pull out the current hot cams and replace it with the stock cam that was given to me by prior owner. Assembled it, started it, and wham... we are good to go, it purrs as it should. I should have stopped there. But no.. i wanted the spiffy more powerful cam and was curious as to the problem. I stopped working and waited until this morning. I took it out and measured tolerances between the 2 and seen they had big differences. I reduced the shims by one as I had installed them more on the tight side and not the loose side. Got the hot cams back in and buttoned up and started. Crazy loud same drive me crazy noise. I say screw it and start to put the Honda original on in. Once that decision was made i was happy with an end in site. In the process of assembly i drop the cam chain. No biggie get a pick an pull it up and re-assemble as I have done no less than 10 times before. button it up and go to turn it over by hand. It seizes up.. WTF
I go look at the marks and they are off. pissed as hell i uninstall everything and reassemble everything verifying everything 2 times. button it up and turn it over. It seizes up again. Again... wtf. I step away to consider my assembly and think i must have dropped something. So i go to disassemble the cam and chain to rotate the bottom end alone. With the cam off and turning the crank it locks up. Turns out i dropped the chain off the bottom gear. So i pull off the left hand assembly to realign the cam chain and leave the bottom case off during the whole process. Get the chain cam and other bits and pieces on yet again and rotate it by hand. Boom we are golden. Again.. end in site, again. Well i button up the bottom left hand side again and check everything again then rotate it again and all is smooth. Its now time to hear this baby purr.

I add oil my temp oil splash guards and insert the spark plug wire and turn the key push the e-start button and the motor spins and spins. It spins so nice with the starter pushing it. Problem is it should be running like the other 7 times it has in the past 24 hours after being all buttoned up.

Frustrated, I check fuel, yup got fuel. Check air, yup not in a void of that at the moment. check spark, no spark. Im assuming I did something to the wiring along the way when I removed the bottom left hand case. I reseated the connections and checked with prod light and nothing. So now I am off to get a multi meter. Fun stuff. Thanks again for the suggestions so far.
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Old 05-12-2012, 12:35 PM   #17670
frog OP
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Quote:
Originally Posted by miatre View Post
Not certain what Hz is.

Well if you want a mechanics drama story.. read on. If not the updates are at the bottom paragraph.

My CRF Short story. Bought the bike with a hot cams in it. I rode the bike last season on and off and noticed the burning of the oil and often hard starts. Checked the valves probably too late and they were way off. I decided to open the machine up to see what would cause the burning and was expecting to replace piston and rings. Wrong. I have some cracked and missing valve seats hence the purchase of the new 250 r head. So read the prior posts to understand the current assembly experiences.

Well late last night i decide to pull out the current hot cams and replace it with the stock cam that was given to me by prior owner. Assembled it, started it, and wham... we are good to go, it purrs as it should. I should have stopped there. But no.. i wanted the spiffy more powerful cam and was curious as to the problem. I stopped working and waited until this morning. I took it out and measured tolerances between the 2 and seen they had big differences. I reduced the shims by one as I had installed them more on the tight side and not the loose side. Got the hot cams back in and buttoned up and started. Crazy loud same drive me crazy noise. I say screw it and start to put the Honda original on in. Once that decision was made i was happy with an end in site. In the process of assembly i drop the cam chain. No biggie get a pick an pull it up and re-assemble as I have done no less than 10 times before. button it up and go to turn it over by hand. It seizes up.. WTF
I go look at the marks and they are off. pissed as hell i uninstall everything and reassemble everything verifying everything 2 times. button it up and turn it over. It seizes up again. Again... wtf. I step away to consider my assembly and think i must have dropped something. So i go to disassemble the cam and chain to rotate the bottom end alone. With the cam off and turning the crank it locks up. Turns out i dropped the chain off the bottom gear. So i pull off the left hand assembly to realign the cam chain and leave the bottom case off during the whole process. Get the chain cam and other bits and pieces on yet again and rotate it by hand. Boom we are golden. Again.. end in site, again. Well i button up the bottom left hand side again and check everything again then rotate it again and all is smooth. Its now time to hear this baby purr.

I add oil my temp oil splash guards and insert the spark plug wire and turn the key push the e-start button and the motor spins and spins. It spins so nice with the starter pushing it. Problem is it should be running like the other 7 times it has in the past 24 hours after being all buttoned up.

Frustrated, I check fuel, yup got fuel. Check air, yup not in a void of that at the moment. check spark, no spark. Im assuming I did something to the wiring along the way when I removed the bottom left hand case. I reseated the connections and checked with prod light and nothing. So now I am off to get a multi meter. Fun stuff. Thanks again for the suggestions so far.
Hz=frequency. Sometimes you can pinpoint an engine noise based on how many revolutions the engine does per clank or knock. The valves, piston/crank, cam chain etc all move at different speeds.
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