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Slavvy posted:It might come with the complete engine case maybe? Genuine ktm parts diagrams are easily found online, it's a 2016 rc390 if you want to have a look; I really really want someone to prove me wrong so I don't have to have the worst conversation in the world. I've never encountered this before on any other bike, even other KTM's. It's a plain journal bearing so there's no generic option. From what I can tell they come pressed into replacement cases, which is likely why they don't sell the bearings to end users. I did find someone that "sold" the bearing shells but there was no image or listed part number. So yeah it seems that if the bearings are scored your friend has to buy new cases. This is so loving stupid. This is Apple or Tesla levels of "throw it away and buy a new one" levels of loving stupid.
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Sep 8, 2020 19:06
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https://twitter.com/nowthisnews/status/1303345344177205254 "We didn't take any precautions, as we normally don't. We think the majority of this situation is manufactured."  captainOrbital posted:This is from up the page, but is a new crankshaft typically part of an engine rebuild, or is it just considered "sundries"? Standard rebuild as in "my thumper needs a new top end"? No. "The motor grenaded"? Probably not, but not out of the realm of possibility, and even then you can often have them rebuilt for less than buying new OEM Jazzzzz fucked around with this message at 19:27 on Sep 8, 2020 |
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Sep 8, 2020 19:23
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if only we could just deny them hospital care there'd be cheaper used cruisers on the market, win win
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Sep 8, 2020 19:28
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Strife posted:Unfortunately the people who would benefit from this the most are too stupid to understand it. It was not hard to wear a mask and distance yourself while there, but maybe that’s just because I’m from a state with strict policies and am not willing to die to see Smashmouth. I mean how many also won't wear a helmet? And that's something that is purely self beneficial!
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Sep 8, 2020 19:28
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Razzled posted:if only we could just deny them hospital care This is a terrible idea. Americans are already strapped for cash. The last thing we need is more cheap motorcycles tempting us to spend what we budgeted for food and rent.
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Sep 8, 2020 19:58
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cursedshitbox posted:From what I can tell they come pressed into replacement cases, which is likely why they don't sell the bearings to end users. I did find someone that "sold" the bearing shells but there was no image or listed part number. Exactly this, this is why it's so infuriating. Why can I buy a conrod, piston, crankshaft, hell even a complete balance shaft but I can't buy a $10 bearing shell. Jazzzzz posted:Standard rebuild as in "my thumper needs a new top end"? No. "The motor grenaded"? Probably not, but not out of the realm of possibility, and even then you can often have them rebuilt for less than buying new OEM If I'm taking the engine out of the bike to take it apart, and it's got a pressed crank, it gets a rebuilt crank. Two piece cranks are so sensitive in general that a sharp knock or ebullient spanner pull can misalign them, so even if you're just pulling the engine for some other reason apart you probably need to at least align everything again. If it's got a single piece crank you just need to measure runout and make sure the journals aren't hosed up. This KTM has a single piece crank with plain bearings which was tweaked one way or another and made friends with one of the bearing shells.
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Sep 8, 2020 21:43
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Always weld your two piece cranks kids. Why they aren’t splined I’ll never know
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Sep 8, 2020 22:04
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Jim Silly-Balls posted:Always weld your two piece cranks kids. Been tried decades ago, the splines form stress risers. A solid press joint is genuinely the best way, not just the cheapest
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Sep 8, 2020 22:27
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Then they should be welded from the factory 
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Sep 8, 2020 22:38
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TheBacon posted:I mean how many also won't wear a helmet? And that's something that is purely self beneficial! I'm more consumed with wondering how these guys keep their hats on at 70 MPH. 
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Sep 8, 2020 23:10
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Jim Silly-Balls posted:Then they should be welded from the factory What happens if you want to rebuild more than once? What happens if the welding heat affects the alignment?
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Sep 9, 2020 00:09
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Strife posted:I'm more consumed with wondering how these guys keep their hats on at 70 MPH. 
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Sep 9, 2020 00:12
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Slavvy posted:What happens if you want to rebuild more than once? The two stroke guys have this solved. I don’t know how but I know they weld and re-weld cranks all the time.
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Sep 9, 2020 00:38
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it is cool and fun to squish your thumb between chain and sprocket because you can't remember which way you're going while cleaning
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Sep 10, 2020 04:54
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cursedshitbox posted:From what I can tell they come pressed into replacement cases, which is likely why they don't sell the bearings to end users. I did find someone that "sold" the bearing shells but there was no image or listed part number. Got a response out of KTM. The bearings only come altogether with the cases. Pair of cases? $986 + tax rofl
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Sep 10, 2020 06:25
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Slavvy posted:Got a response out of KTM. You could turn the old cases into an artisanal coffee table I guess
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Sep 10, 2020 13:07
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Slavvy posted:Got a response out of KTM. Are they pre-pressed into the cases with magic fairy dust? Do they use special edelweiss-based grease that's only made in the Austrian hills and shipped directly to the factory in India? wtf
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Sep 10, 2020 14:26
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Pop the bearings out of the new cases, pop the old ones in, return the cases as "damaged in shipping".
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Sep 10, 2020 14:42
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Finger Prince posted:Pop the bearings out of the new cases, pop the old ones in, return the cases as "damaged in shipping". Lol galaxy brain scheming
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Sep 10, 2020 14:47
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Finger Prince posted:Pop the bearings out of the new cases, pop the old ones in, return the cases as "damaged in shipping". This is hilarious, but I'm pretty sure the bearings are matched to the case and crank. Or at least they should be. I had to educate a customer about this when I rebuild his Busa after he wrecked it and he showed up with new cases and a hand-full of B's.
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Sep 10, 2020 16:09
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GnarlyCharlie4u posted:This is hilarious, but I'm pretty sure the bearings are matched to the case and crank. Or at least they should be. Yup. Line bored in place. Similar to the typical cam bearing caps. the larger singles (690/701) have replaceable shells, as does the lc8. This is purely a throw-away engine not intended to be rebuilt, which on a budget bike, is no surprise. Again, loving dumb. Swap it with a fse450 engine. cursedshitbox fucked around with this message at 19:00 on Sep 10, 2020 |
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Sep 10, 2020 18:49
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I've never encountered a throw away engine not meant to be rebuilt. Even the shittiest chinese scooter can be rebuilt. Why the gently caress do they let you buy a crankshaft at all arrrghh?!
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Sep 10, 2020 20:23
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Slavvy's adventures in rebuilding the KTM 390 engine have convinced me that I need to sell my RC390 while it still has a good engine and intact headgasket.
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Sep 10, 2020 20:51
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Yuns posted:Slavvy's adventures in rebuilding the KTM 390 engine have convinced me that I need to sell my RC390 while it still has a good engine and intact headgasket. I'm leaning towards CSB's idea hard and am already starting a spreadsheet on engine swap options. I like the Husaberg 450 idea a lot. Kinda like how the default Grom engine is now a CBR300 swap, so should the Duke/RC 390 get an upgrade when it dies (not if).
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Sep 10, 2020 20:55
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Slavvy posted:Why the gently caress do they let you buy a crankshaft at all arrrghh?! This is a really good question
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Sep 11, 2020 11:45
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Welp, that's blown.  Never done forks before.
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Sep 12, 2020 02:08
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popping boingers is fun but goopy and smelly
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Sep 12, 2020 02:44
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Regular forks are easy enough to work on that I can do it, shouldn't be any problem for you
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Sep 12, 2020 03:22
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anybody want to try explaining what causes a man on a CBR300 to ride down a Texas interstate wearing a full-face helmet with no face shield
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Sep 13, 2020 06:04
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FBS posted:anybody want to try explaining what causes a man on a CBR300 to ride down a Texas interstate wearing a full-face helmet with no face shield Birdstrike? Meth?
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Sep 13, 2020 08:08
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It broke and he can't afford a new one (or doesn't feel like it's worth it). Back before lockdown I was sat in a mcdonalds with my helmet on the table and a deliveroo rider came up to me to ask if I know how to fix his. The main pivot bolt holding the chin bar on was sheared off on one side. I told him he needed a new helmet and he just went "oh" and wandered off. I do not imagine he bought a new helmet.
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Sep 13, 2020 09:47
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FBS posted:anybody want to try explaining what causes a man on a CBR300 to ride down a Texas interstate wearing a full-face helmet with no face shield Any eye protection? Sometimes I think about taking the shield off my RF1200 to minimize buffering when it’s open cause I want to wear my moto glasses. Wildest thing I ever saw was a guy on 95 in CT on a sportster going at least 80 wearing just a baseball hat and ray bans. That must have been so god drat loud.
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Sep 13, 2020 14:45
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FBS posted:anybody want to try explaining what causes a man on a CBR300 to ride down a Texas interstate wearing a full-face helmet with no face shield Was he at least wearing sunglasses or something inside the helmet? I've seen people do that so they get more airflow but not destroy their eyes. I've been noticing a lot of people in NH wearing a half or no helmet, but with a full balaclava or facemask, plus glasses, and a hat. Seems like that negates most of the "I want to feel the wind in my face" arguments.
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Sep 14, 2020 13:32
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nope my man had nothing over his eyes at all
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Sep 14, 2020 18:11
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was he a lego man
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Sep 14, 2020 19:30
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I've always heard of this happening but I'd never seen it until now. I was making some dinner for the week and I looked out my window just in time to see this guy get pulled over by a mounted cop.
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Sep 15, 2020 01:10
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Mister Speaker posted:I've always heard of this happening but I'd never seen it until now. I was making some dinner for the week and I looked out my window just in time to see this guy get pulled over by a mounted cop. I've seen Due South, there's no point trying to escape.
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Sep 15, 2020 07:40
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Got an email today from BMW talking about the R18. I either had never heard about it or forgot about it: https://jalopnik.com/the-2020-bmw-r18-is-the-kind-of-throwback-cool-the-worl-1842669420#replies It just seems weird that bmw can make good/cool bikes in any segment, while HD, the obvious target here, can only make one style (and the sportster I guess). At the same price as a HD and 750 lbs, I’m not super interested, but I do wonder if this is in response to HD’s general woes, so that Indian doesn’t get all the business if HD goes under. Like between this cruiser and the R9T, I don’t ever see going with this, but bmw has made some out there bikes before- the R1200C comes to mind.
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Sep 15, 2020 23:45
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Alamoduh posted:Got an email today from BMW talking about the R18. I either had never heard about it or forgot about it: The exhaust shrouds on that thing are a loving travesty.
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Sep 16, 2020 00:06
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Alamoduh posted:Got an email today from BMW talking about the R18. I either had never heard about it or forgot about it: BMW make precisely one cool bike and that really isn't it. They're like german Honda.
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Sep 16, 2020 01:51
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