04-19-2019, 10:05 PM | #1 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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Engine rebuild
So my piston blew up my engine again luckily it was stilll under warranty and txpowersports sent me new pieces to try and rebuild. They sent me a new piston, cylinder, jug, crankshaft and gaskets. So now I need to remove all busted pieces from case. My question is what is the best way to remove all metal from case. Should I use a tub of diesel fuel to rinse everything out. Any help and tips on doing this really appreciated guys. Thanks
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04-19-2019, 10:09 PM | #2 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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Pics of the damage
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04-19-2019, 10:09 PM | #3 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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More pics
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04-19-2019, 11:43 PM | #5 |
Join Date: Aug 2018
Posts: 158
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yeah, putting all that work on you. How the heck does it blow up twice. There must have been an issue there that wasnt fixed with the replacement. Maybe something with timing?
What were you doing to break it this time and last time? how much actual engine run time did you get? because these engines can generally take quite a beating. My hawk has 11.5 compression and I like to run it hard. |
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04-20-2019, 01:39 AM | #6 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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At this point I would have them send me new bearings for everything as well. Those metal fragments get in everything.
As far as cleaning it. Diesel or kerosene works. A parts washing detergent works. It really just depends on what you are after.
__________________
Hawk Information and Resource guide: http://www.chinariders.net/showthread.php?t=20331 2018 Hawk 250 - Full Mod list here. http://www.chinariders.net/showpost....62&postcount=1 2024 Royal Enfield Shotgun 650 https://chinariders.net/showthread.php?t=34124 |
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04-20-2019, 10:01 AM | #8 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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Yeah I agree I should have got a new engine. But I didn’t want to push it. Engine has about 8000 miles on it. I’ve had it for about 9 months and ride it to work every day most of that on freeway. First thing they said was I must not have broke in correctly or kept up with maintenance. This being the second engine I’ve made sure to keep up with it usually oil change every weekend and I did proper break in. This time I was going about 65 on freeway and it just died sounded like my exhaust was dragging but nope. I’m gonna try to get it running today or tomorrow and just rinse everything out with diesel real good. I’ll let y’all know how it goes
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04-20-2019, 12:00 PM | #9 | |
Join Date: May 2017
Location: Serbia
Posts: 217
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Quote:
About the engine washing, when I had gearbox problems, 2 years ago, when i split the case in half, I preassure washed it (everything was removed from the cases - just aluminium left), putting attention to the oil passages which go through engine block. I first degreased them, then pressure washed. |
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04-20-2019, 12:26 PM | #10 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
__________________
Hawk Information and Resource guide: http://www.chinariders.net/showthread.php?t=20331 2018 Hawk 250 - Full Mod list here. http://www.chinariders.net/showpost....62&postcount=1 2024 Royal Enfield Shotgun 650 https://chinariders.net/showthread.php?t=34124 |
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04-20-2019, 01:17 PM | #11 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
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04-20-2019, 04:43 PM | #12 |
Join Date: Oct 2017
Location: Houston,Tx
Posts: 257
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No oil cooler i really need one. The day it happened was especially hot I decided to not use my riding jacket and was terrified something would happen. But damn it was hot that day. And something did luckily it didn’t lock up on me. I do use synthetic oil. Maybe my high rpms could have been the cause I’m using a 17/50 gearing setup I got a 43 rear sprocket just been liking the 17/50 setup for lower speeds. Well once I get it running no more freeway riding for me, even though I’ve heard of others running it just the same if not more.
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04-20-2019, 10:42 PM | #13 |
Join Date: Jun 2016
Location: Hell
Posts: 2,408
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If 8000 miles on this cheapest brand then I’d say you did well and lucky any warranty lol
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04-21-2019, 11:28 AM | #14 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
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04-21-2019, 11:40 AM | #15 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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There are some of these "cheapest brand" motorcycles closing in on 40,000 miles. Back in the late 1950's, an engineer from GM told me "There is no problem designing a $100 water pump that will last a long time in a Rolls-Royce. The trick is in designing a $6.00 water pump that will last more than 100,000 miles in a Chevrolet." ....ARH
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