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epswing posted:I've wondered, with the caliper still bolted, does pushing fluid up from the caliper with a syringe actually work in practice? No idea, never needed to try any gonzo one weird trick bullshit like that. MetaJew posted:Yes there are washers on both sides of each banjo fitting. Usually nothing, just leave the pads in there and push them back out when you're done.
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Nov 18, 2022 23:34
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Slavvy posted:Usually nothing, just leave the pads in there and push them back out when you're done. I think he means while the calipers are suspended above the MC, he’s concerned that if the pads aren’t blocked by something, they’ll fall out before making contact with each other. 2x6 block of wood? Doesn’t have to be any thicker than a rotor. epswing fucked around with this message at 02:28 on Nov 19, 2022 |
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Nov 19, 2022 02:20
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They can't fall out they're held in there with pins. But yeah I guess you could stick some wood in there or something.
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Nov 19, 2022 03:47
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At the risk of this turning into an even bigger comedy of errors, I think he thinks the pistons will fall out if the pads are not clamping onto something.
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Nov 19, 2022 05:53
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Same difference, it can't happen, the pads are in the way lol
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Nov 19, 2022 06:47
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My brain is very smooth these days so I guess I'm not speaking clearly. The pistons are held in place in the calipers simply by friction. I'm not referring to the pads. While the caliper is installed on the rotor, the brake pads are pressed into the rotor, and the pistons cannot extend further out of the caliper. If I remove the caliper from the rotor and squeeze the brake lever, the pistons should protrude out of the caliper without resistance. All I was asking was this: If I removed the caliper from the bike and tried raising it above the BMC. Assuming I leave the pads installed, is it possible for the pistons to push out far enough to break their seal or otherwise cause issues? I suppose I could find a block of wood or something that will fit between the pads to prevent that from happening. Edit: I tried the zip tie trick for 24+ hours and that seems to have done the trick. Brake pressure feels really great now-- I have to assume any air in the system is still there, and just better dissolved into the fluid though, right? MetaJew fucked around with this message at 09:24 on Nov 19, 2022 |
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Nov 19, 2022 09:16
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Question: i am looking for transparent brake line. Does it exist? https://www.tps-racing.com/fg9439-30-fg-brake-line-clear-1-st.html Is this stuff suitable for the high pressure side, or is it like the stuff that's between a reservoir and the master cylinder? I have never ever seen transparent brake lines in the high pressure side of brake systems. I will not be using it for a brake system, but for a small heat pump demonstration model. Brake parts are very easy to get, and very easy to manually get up to a good pressure, so that's the first thing i want to try out. I want to show how the refrigerant liquifies with rising pressure. So i need something that's transparent, can handle a bit of heating up, and can ideally handle more than 6 bars for R-134a. Brake fittings can handle much more than 6 bars and are very easy to just bolt together, rather than having to solder everything together.
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Nov 19, 2022 10:07
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LimaBiker posted:Question: i am looking for transparent brake line. Does it exist?
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Nov 19, 2022 12:54
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MetaJew posted:All I was asking was this: If I removed the caliper from the bike and tried raising it above the BMC. Assuming I leave the pads installed, is it possible for the pistons to push out far enough to break their seal or otherwise cause issues? I suppose I could find a block of wood or something that will fit between the pads to prevent that from happening. And I keep saying: no, that can't happen, the pads are in the way! Omg LimaBiker posted:Question: i am looking for transparent brake line. Does it exist? Only in star trek
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Nov 19, 2022 19:13
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Slavvy posted:And I keep saying: no, that can't happen, the pads are in the way! Omg The missed connection here is that you know how deep the pistons go into the caliper, and MetaJew doesn't. He is thinking that maybe if they come out an extra quarter inch with the rotor removed, that might break the seal or cause them to fall out. You know that the pistons are deeper than that and it's not a concern. If you want to educate someone, it's important to try to understand what assumptions they might be making and approach your explanation from that point.
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Nov 19, 2022 19:24
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Makes no effort to answer the original question, breathlessly jumps at the chance to chide me.
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Nov 19, 2022 19:33
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Slavvy being slavvy and incapable of communicating. Tale old as time.Sagebrush posted:The missed connection here is that you know how deep the pistons go into the caliper, and MetaJew doesn't. He is thinking that maybe if they come out an extra quarter inch with the rotor removed, that might break the seal or cause them to fall out. You know that the pistons are deeper than that and it's not a concern. Thanks pal. When I was dealing with issues with the sliding two piston caliper there is nothing to stop the pistons from popping out so yeah, that was my concern.
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Nov 19, 2022 19:47
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MetaJew posted:Slavvy being slavvy and incapable of communicating. Tale old as time. On those, the pads also stop the pistons from coming out.
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Nov 19, 2022 19:51
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Sagebrush posted:If you want to educate someone, it's important to try to understand what assumptions they might be making and approach your explanation from that point. This is good advice. To figure out what your audience knows means you can get from A to B painlessly. B is usually the same, but my A may not be your A, usually because one of us has made a false assumption. Seeking out and destroying the false assumption will often unlock the path to B with no further input needed.
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Nov 19, 2022 19:51
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unless I'm missing something - as long as the pads are in place, you do not have to worry about the pistons coming out so far that they will damage a seal or something. that said, if you pump them out far enough, it can be a pain to get them + the pads pushed back in enough to slip back down over the rotors the zip tie trick just lets the air bubbles in the system get up into the fluid reservoir at their own leisure, it doesn't cause them to dissolve into the fluid or anything
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Nov 21, 2022 14:53
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I think the pressure applied over time causes the air bubbles in the fluid to condense and they then have stored move molecules re easily and float up. A bit like getting the bends when diving except you get air where you want it, your fluid reservoir, rather than your brain. You don’t want air bubbles there.
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Nov 21, 2022 16:58
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Wrenching on the not-mine lovely chinese moped again. It was falling on its face when given throttle. I know fuckall about carbs but this was the culprit: My question is how does that even happen?
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Nov 21, 2022 18:26
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It didn't fit so someone forced it.
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Nov 21, 2022 18:27
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Slavvy posted:It didn't fit so someone forced it. I thought as much. Story is I fixed the thing last winter and it reportedly ran great until the sidestand cutoff switch broke. The operator who I know not to be great at wrenching probably took the carb apart a little trying to make moped run and made moped more broken in the process. I had that needle out last go around and it was straight then.
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Nov 21, 2022 18:32
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That screwed on top that requires no tools is so goddamn tempting to people. Pretty lucky it didn't break off and make friends with the engine. A greatest hits of dumb poo poo people tamper with when they don't know anything: Spark plug Idle screw Carb lid Fuel line All are easy to identify and don't need any tools that don't come with the bike
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Nov 21, 2022 18:55
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My '19 Tracer 900 is acting up. Tried riding it a few days ago when it was in the 20's thinking it being in the garage overnight might have helped. TFT dash and lights would turn on but click goes the starter with no turn over. Alright, I push it back in. Now today I've had it hooked up to the battery tender showing a charged status, and a space heater on it for an hour. Dash shoes ambient temp readings in the 60's but the cooler temp still as "Lo" and it still will not turn over. What am I missing?
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Nov 21, 2022 22:04
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The battery has probably poo poo the bed. You're a few winters in.
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Nov 21, 2022 22:06
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Yeah MC batteries are so small that I find if you kill them a few times it's game over. I'm religious about putting mine on tenders even during riding season now.
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Nov 21, 2022 22:46
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I just ride 
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Nov 21, 2022 23:30
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TotalLossBrain posted:The battery has probably poo poo the bed.
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Nov 22, 2022 00:10
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I bought a 2022 MT09 with 600 miles on the clock earlier this month, so still in manufacturers warranty. I know the real answer is take it to the dealer, but it's an intermittent fault, they're an hour away and I can see them being a pain to deal with so... Maybe 1 in 5 times when I start it, probably less, it will idle at around 1600 RPM rather than the normal 1100 RPM. The throttle is also more sensitive and the revs won't drop back down as quickly or smoothly. Turning off the ignition then turning back on makes it behave normally. It's only happened from a cold start, so I wondered if it might have been a deliberate feature to help idling from cold, but I can't find it mentioned anywhere. Any ideas? There's no bad lights on on the dash. Is it worth getting something like this https://www.ebay.co.uk/itm/284830505044 to see if there are any weird readings such as a throttle sensor showing something other than 0 when not being touched? Just saying, this wouldn't have been a problem on my carbed SV650...
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Nov 22, 2022 10:08
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Pretty sure this is normal cold start behavior for an efi bike, it's basically an auto-choke. Mine typically runs anything up to 3k for a couple of minutes after starting when it's really cold, compared to summer when it'll start at 1k and just stay there.
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Nov 22, 2022 12:28
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Megabook posted:Maybe 1 in 5 times when I start it, probably less, it will idle at around 1600 RPM rather than the normal 1100 RPM. If you wait long enough, does it eventually drop to a normal idle?
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Nov 22, 2022 14:26
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epswing posted:If you wait long enough, does it eventually drop to a normal idle? I've given it 5 minutes or so with no change? Maybe I need to be more patient. The weird thing is after 5 minutes of this, then turning it off and back on it immediately goes to a normal idle.
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Nov 22, 2022 15:26
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That sounds pretty normal
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Nov 22, 2022 17:17
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Fair enough, I will have to get used to it! Otherwise, I am loving the MT09. I'm just trying to fight the urge to put a top box on it.
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Nov 22, 2022 17:34
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Springfield Fatts posted:My '19 Tracer 900 is acting up. Tried riding it a few days ago when it was in the 20's thinking it being in the garage overnight might have helped. TFT dash and lights would turn on but click goes the starter with no turn over. Alright, I push it back in. Now today I've had it hooked up to the battery tender showing a charged status, and a space heater on it for an hour. Dash shoes ambient temp readings in the 60's but the cooler temp still as "Lo" and it still will not turn over. What am I missing? New battery fully charged, same issue with no change. Any other ideas?
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Nov 22, 2022 18:14
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Next thing I would check is the condition of the connections for the main positive and ground cables. I.e., make sure the connections to the starter relay and to the starter itself are tight and not corroded. I'm assuming the battery terminals themselves are good and tight as you just replaced the battery.
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Nov 22, 2022 18:58
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Megabook posted:I'm just trying to fight the urge to put a top box on it.
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Nov 22, 2022 19:23
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TotalLossBrain posted:Next thing I would check is the condition of the connections for the main positive and ground cables. Did that, but it's the damnedest thing. When I kicked it off it's side stand then put it on the center stand to prepare for digging in them guts I tried it one more time for some reason and all the pumps primed, hit the ignition and on it came. I'm wondering if some stupid safety switch was triggered or something. Still glad I replaced the battery though.
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Nov 22, 2022 19:40
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Megabook posted:I bought a 2022 MT09 with 600 miles on the clock earlier this month, so still in manufacturers warranty. I know the real answer is take it to the dealer, but it's an intermittent fault, they're an hour away and I can see them being a pain to deal with so... This is just ~E F I T H I N G S~ The Goldwing idle swings around a bit until it warms up too
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Nov 22, 2022 19:53
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Springfield Fatts posted:Did that, but it's the damnedest thing. When I kicked it off it's side stand then put it on the center stand to prepare for digging in them guts I tried it one more time for some reason and all the pumps primed, hit the ignition and on it came. I'm wondering if some stupid safety switch was triggered or something. Still glad I replaced the battery though. I'd check the side stand switch, then. Were you trying to start it in neutral on the side stand, before? Or in gear?
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Nov 22, 2022 21:04
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Both in gear the first time a few days ago when it first failed to crank and in neutral when I had in the garage swapping the batteries.
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Nov 22, 2022 22:02
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Do you have a multimeter
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Nov 23, 2022 05:12
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Slavvy posted:No idea, never needed to try any gonzo one weird trick bullshit like that. Del the dickhead on Delboy's Garage does it by pumping fluid up into the master cylinder and all it does is ensure your fresh fluid gets contaminated with old fluid and any poo poo in your master cylinder.
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Nov 23, 2022 21:34
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