cooked the top end, now what ?

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pumpguy
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cooked the top end, now what ?

Post by pumpguy »

While I have no experience with the KDX pump seal, I do with pump seals in general. Typically, when a carbon/ceramic pump seal runs dry, the heat build-up and lack of water/glycol to lubricate the contact sealing faces will cause the seal to fail. Might be a good idea to check the pump seal for leaks before you run it again.
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diymirage
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Re: cooked the top end, now what ?

Post by diymirage »

im pretty sure the pumpseal is included in in the top end kit
but I pulled the cover off to check the impeller anyway so it will get replaced, thanks for the advice
newbbewb wrote:DIYmirage has it right.


-1996 KDX 200 woods weapon (converted to 99 green body)
-1996 KDX 200 plated street toy (barney edition)
-2003 Yamaha TTR125-L (wifeys bike)
-1997 KDX 220 project bike
Roadhazardguy
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Re: cooked the top end, now what ?

Post by Roadhazardguy »

I mainly just meant on a regular steel/iron sleeve, I would do like julien said with the scotchbrite/acid on the plated cylinder.
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1980 KD 80
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diymirage
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Re: cooked the top end, now what ?

Post by diymirage »

gave it a good once over with scotchbrite pad and wd40 (couldn't find the acid) and it doesn't seem too bad
I can somewhat feel a little roughness right above the exhaust port but noting to get my nails caught in

new piston and call it good?
newbbewb wrote:DIYmirage has it right.


-1996 KDX 200 woods weapon (converted to 99 green body)
-1996 KDX 200 plated street toy (barney edition)
-2003 Yamaha TTR125-L (wifeys bike)
-1997 KDX 220 project bike
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Postigo
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Re: cooked the top end, now what ?

Post by Postigo »

Those are good news. Now a new piston,wrist pin bearing and top gaskets and you should be good to go.
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KDXohio
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Re: cooked the top end, now what ?

Post by KDXohio »

Postigo wrote:Those are good news. Now a new piston,wrist pin bearing and top gaskets and you should be good to go.
AND GOOD TIGHT COOLING HOSE CLAMPS!!!!!! :rolleyes:
1990 KDX200 FMF Fatty, Answer VFC silencer, VForce 3 Cage, Wiseco Piston, KX125-J series KYB USD fork conversion, Race tech goldvalves, J series front brake assembly, air-box snorkel removed, Acerbis Headlight, KX450F Front fender, Pro Taper RM bend bars, ASV front Brake lever, MSR Clutch perch and lever, RB Head mod, 36mm PWK carb, Trail Tech Kickstand.
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rbates9
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Re: cooked the top end, now what ?

Post by rbates9 »

KDXohio wrote:
Postigo wrote:Those are good news. Now a new piston,wrist pin bearing and top gaskets and you should be good to go.
AND GOOD TIGHT COOLING HOSE CLAMPS!!!!!! :rolleyes:

Good clamps are kinda pricey. :lol:
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diymirage
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Re: cooked the top end, now what ?

Post by diymirage »

rbates9 wrote:
KDXohio wrote:
Postigo wrote:Those are good news. Now a new piston,wrist pin bearing and top gaskets and you should be good to go.
AND GOOD TIGHT COOLING HOSE CLAMPS!!!!!! :rolleyes:

Good clamps are kinda pricey. :lol:
got to be cheaper then a new top end kit :doh:
newbbewb wrote:DIYmirage has it right.


-1996 KDX 200 woods weapon (converted to 99 green body)
-1996 KDX 200 plated street toy (barney edition)
-2003 Yamaha TTR125-L (wifeys bike)
-1997 KDX 220 project bike
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KDXohio
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Re: cooked the top end, now what ?

Post by KDXohio »

diymirage wrote:
rbates9 wrote:
Postigo wrote:Those are good news. Now a new piston,wrist pin bearing and top gaskets and you should be good to go.

Good clamps are kinda pricey. :lol:
got to be cheaper then a new top end kit :doh:
Lol I can get a ten pack of hose clamps for under 2$ at Advanced auto in their commercial parts dept.
1990 KDX200 FMF Fatty, Answer VFC silencer, VForce 3 Cage, Wiseco Piston, KX125-J series KYB USD fork conversion, Race tech goldvalves, J series front brake assembly, air-box snorkel removed, Acerbis Headlight, KX450F Front fender, Pro Taper RM bend bars, ASV front Brake lever, MSR Clutch perch and lever, RB Head mod, 36mm PWK carb, Trail Tech Kickstand.
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diymirage
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Re: cooked the top end, now what ?

Post by diymirage »

Be a buddy and send me 6 of those would you
newbbewb wrote:DIYmirage has it right.


-1996 KDX 200 woods weapon (converted to 99 green body)
-1996 KDX 200 plated street toy (barney edition)
-2003 Yamaha TTR125-L (wifeys bike)
-1997 KDX 220 project bike
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KDXohio
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Re: cooked the top end, now what ?

Post by KDXohio »

6 boxes? geeze I must have missed some clamps on my bike it didnt take 60 clamps :lol:
1990 KDX200 FMF Fatty, Answer VFC silencer, VForce 3 Cage, Wiseco Piston, KX125-J series KYB USD fork conversion, Race tech goldvalves, J series front brake assembly, air-box snorkel removed, Acerbis Headlight, KX450F Front fender, Pro Taper RM bend bars, ASV front Brake lever, MSR Clutch perch and lever, RB Head mod, 36mm PWK carb, Trail Tech Kickstand.
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rbates9
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cooked the top end, now what ?

Post by rbates9 »

So, he needs six of them. At $.20 a piece. So that is $1.20. Would you mind paying the $3 to ship them to him so he doesn't have to go to the store and buy them? It would be great if you could. Thanks :lol:
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diymirage
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cooked the top end, now what ?

Post by diymirage »

rbates9 wrote:So, he needs six of them. At $.20 a piece. So that is $1.20. Would you mind paying the $3 to ship them to him so he doesn't have to go to the store and buy them? It would be great if you could. Thanks :lol:

I knew you would bite...that was actually the only reason I posted that request :shh:
newbbewb wrote:DIYmirage has it right.


-1996 KDX 200 woods weapon (converted to 99 green body)
-1996 KDX 200 plated street toy (barney edition)
-2003 Yamaha TTR125-L (wifeys bike)
-1997 KDX 220 project bike
cragwl
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cooked the top end, now what ?

Post by cragwl »

FYI you all. 'Mothers Ball' sold at many auto parts stores in the detailing section, works perfect for cleaning up your cylinders. Fits on your drill, spray with WD and insert in cylinder, pull the trigger. No more scrubbing till your arm falls off. Set drill on lower speed to keep the WD from flinging on your new shirt. Worked well for me.
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