52mm AFR Gauge Mounting... - Page 2 - Honda Rebel Forum
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post #11 of 24 Old 07-29-2019, 09:41 AM
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Sorry to hear about your mom. Thoughts and prayers for both of you.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #12 of 24 Old 07-30-2019, 12:04 PM Thread Starter
 
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Progress!

I got the LH pipe off last night. Straight forward, as I thought. Not simple, but not any more difficult than I suspected. I did notate a lack of build quality. But whatever. I have been noticing that my LH (the one I removed) was turning blue near the engine. The right side has not changed color. Upon disassembly I noticed that the collars were not exactly centered in the flange like on the RH side. Nor were the exhaust nuts tight. They were barely on there. I don't know if this alignment issue was causing the extra heat in the exhaust, but I'm going to try to get it straight when I put it back on. The difficulty (even in original assembly) is that the LH pipe has to be forced into the crossover. And it has to be pushed and wiggled deeper and deeper. If it is not deep enough, the alignment will be off, like I found. I'm guessing the person who assembled it didn't want to spend much time wiggling it to get it perfect.

One of the rear mounting nuts was also barely on there. I took the pipe off and put a quarter inch pilot hole in it. This evening around 5 pm, the hole will be enlarged to 7/8" and the bung welded in.

I'm hoping I have enough time to bring it home and get it back together. The AFR gauge will not go in tonight though. That will take me some time. I'm thinking about using a RAM phone mount to hold the AFR gauge temporarily because I'm going to want the phone mount anyway.

1. Exhaust collars off center (other side was straight).
2. Pulling the cross-pipe off. This is where the pipe alignment / difficulty lies.
3. Sans the LH exhaust.
4. Little pilot hole started.
5. The bung sitting next to the pilot hole.

The pilot hole was enlarged to 1/4", but ran out of picture space.
Attached Images
File Type: jpg Ex1.jpg (101.4 KB, 1 views)
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File Type: jpg Ex4.jpg (204.1 KB, 2 views)
File Type: jpg Ex5.jpg (136.5 KB, 2 views)

2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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post #13 of 24 Old 07-30-2019, 05:06 PM
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sorry to hear about your mother - i've been there and it isn't easy

1985 Rebel 250 ... 2005 Ruckus 50
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post #14 of 24 Old 07-31-2019, 08:34 AM Thread Starter
 
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More Progress!

01-7700 - Thanks.


Are my previous post's thumbnails gone? I can put fewer if there are space limitations.


I got the bung welded on yesterday. My guy makes really good and clean welds considering the joint configurations he works with. He was welding to chromed steel, with a cylinder to cylinder (shape). That's not easy but he makes it look that way.


I also brought the pipe home and got it reinstalled on Piglet. Unfortunately, I took the bung plug out at his shop and forgot and left it there. I fired piglet up anyway (for about 10 seconds) and it actually wasn't very noisy with the bung open. I'll get the plug after work today. But even before I install the plug I think I'll take the AFR gauge off El Scampo and start applying it to the Rebel. I'm also going to order the RAM phone holder today. I'll probably wind up taking off the seat and tank so I can run the wiring and hide / secure the wiring back up out of the way. I had to go on reserve the last time I rode Piglet home, so the tank should be very light.


I'm going to have to do a search on where to tap switched power. I think I'm going to put a doodad on the switched power wire, so that I can conveniently attach several wires up to the switched power source (phone, tachometer, and possibly AFR all simultaneously although once I get the jetting set, I may not run the AFR gauge again unless I start doing more modding later).


It's a smaller diameter bung (with fins for heat dissipation), to fit smaller pipes.
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2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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post #15 of 24 Old 07-31-2019, 11:17 AM
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Quote:
Originally Posted by 7milesout View Post
Are my previous post's thumbnails gone? I can put fewer if there are space limitations.
They are gone. I saw them yesterday so they were there, but now? No idea what happened to them.

1985 Rebel 250 ... 2005 Ruckus 50
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post #16 of 24 Old 07-31-2019, 01:11 PM
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I see the ones in post #12, if that's what you are referring to.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #17 of 24 Old 07-31-2019, 02:39 PM Thread Starter
 
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They have risen! (They have risen indeed!)


Aside from this AFR effort I have going, I'm trying to talk my local buddy into 3D printing my Rebel Pillion Conversion to Driver's Backrest brackets. If I could get that and the AFR gauge up and running soon and make it to the Lake Whatever Meet-Up, that would be awesome.

2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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post #18 of 24 Old 08-01-2019, 09:28 AM Thread Starter
 
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I put the bung plug in last night, and the Piglet is nice sounding again. I had been concerned about the location of the bung, maybe it was aimed too much up toward the bottom of the engine and I might not have enough space. But when installing the plug, I noticed that I got the location just right, there is plenty of room for the sensor, and at a good angle. Yahooooo!

Then I dug through some AFR gauge boxes. I'm a mild hoarder. I had to have the AFR gauge replaced and when they sent me the replacement, even though all I needed was the gauge, it came with a new wire harness. But I found it difficult to throw away a box with a perfectly good wire harness. It paid off to be a (mild) hoarder in this case! No need to remove the wire harness from El Scampo. That'll save the pain of having to pull it back through the firewall. And back in again, as I'm always tuning on the Scamp.

Then I had to replace a condensate pump on my home A/C. Got all that done and I decided since I wasn't ready to wire and mount the gauge, I would go check my perspective "proving grounds." It is a strip along the interstate with a nice ethanol free gas station, I thought may prove valuable. I was wrong. That strip of interstate is either a bunny slope up or bunny slope down. And, even at 7:30 pm, there was too much traffic. The problem is, say I get to 75 mph and gaining on cars that are rolling side by side (frequent due to so much traffic). It's not like I can blow on by them and have a free road ahead. And slowing down in front of other traffic to free up space ahead is dangerous and fruitless. And I don't care to stop alongside the edge of the interstate and wait for a clearing. So the interstate (at least there), is out.


I've got to find a good spot for testing (to document the tuning when it happens). A 65 mph 4 lane non-interstate highway would be best. But there's not one close to me, that I'm aware of. If only I lived out in the desert southwest... The search goes on for 7milesout Georgia Rebel Proving Grounds (7GRPG).

2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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post #19 of 24 Old 08-05-2019, 11:29 AM Thread Starter
 
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Progress: "Proving Grounds"

Guys,


I received the RAM handlebar phone mount. It is a good unit. I mounted my phone to it, and it to the bike, and went and rode another perspective "proving ground." It looks like it's going to have to do. How I'm going to have to approach "testing" before and after is: I'm going to time 50 - 70 mph (or maybe 50 - 65 mph) pulls, and top speed (reached) on my "proving grounds." I'm going to see if the AFR gauge can mount via zip ties to the RAM mount somehow because I need the phone there for GPS verified speeds. I have a speed app that is very accurate, and also saves the top speed (no digits, just a whole numbers). So I don't necessarily have to stare at the phone to catch the top speed while running such blistering high speeds.

I'm NOT going to be able to do a real "top speed" run because there's just no 10 mile flat stretch I can find anywhere near me. Heck, I can't even find a 1 mile flat stretch. And the Rebel needs a good long straight to stretch its legs. At least with the stock set-up. And I may have to revert to 50 - 65 mph pull (instead of 50 - 70 mph), because that last 5 mph to get to 70 takes up a really long time and a lot of real estate.


On my "proving ground", it is about 3 miles, but does have a gentle down slope, up slope then another down slope that leads to a flat stretch, a curve and then a bridge. The curve is a non issue, I could probably take it at 100 mph. What I'm going to do is run that full straight away, up and down the slopes, all the way to the bridge at WOT. The bridge will be the finish line / measurement point. I have a rolling start point, and will start at the speed limit of 55 mph, and pin it WOT until the bridge. Very little traffic on this stretch.


I did this a couple times Saturday when I went to check this stretch out and achieved 69 mph and 70 mph before the bridge. That was just to test the "proving ground" to see if it was adequate. If I get caught speeding, I'll try to explain my way out of it. Probably should get my motorcycle endorsement though. On the way home actually on my last WOT pull (the other direction), I hit 140 miles on the tank and dead the Rebel went. So I put it on reserve and limped about 20 miles home. So the tank is very empty again, which leads me to the main point of this post...


I'm now ready to wire up the AFR and tap power. What I would like is either a suggestion where to tap power, or a link to a thread discussing that. I've searched and found a couple threads but have not found a thread that made it definite for me. This help would be appreciated because my time will be limited as I will be at the hospital with my mother from today through Thursday.




7milesout

2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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post #20 of 24 Old 08-26-2019, 09:42 AM Thread Starter
 
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Guys,


I did the above proving ground testing on 8/4. On 8/4 late, I went to my mother's house. On 8/5 I wrote the above. On 8/5 I also drove my mother to CTCA (Cancer Treatment Centers of America) in Newnan, Ga. She'd been going there a lot over the last 2 years. This was just another chemo and series of doctor's appointments. While there she developed yet another bowel blockage and was admitted to the hospital. While in the hospital CTCA was able to do a bowel by-pass surgery. That went successfully. However, on 8/20, my mother passed away. The lack of being able to eat for the prior maybe 6 weeks, the stress on her digestive system from several previous blockages, the cancer, her age, and the stress of the by-pass was just more than her body could withstand. We held her funeral on 8/24, her birthday. Sure am glad I didn't try to make the Lake Hope Rally, but glad you guys had it.


From 8/21, I turned into my dad's short order cook, grocery shopper, and bill payer. I got all his bills caught up / paid up. That wasn't easy. I was in the hospital night and day with my mother from 8/5 through 8/20. I was up with her all night long when she needed help to / from the bathroom. There were a night or 2 we didn't sleep. She and I slept when we could. I showered very little. She and I never had an ill word. We had a great time. She and I got along well. Within 2 days of becoming my dad's "caregiver," I was ready to strangle him, and warned him of such. The last straw was when I got cussed and screamed at for watching a tv show that is not in his approved list. The only shows on his approved list are Gunsmoke, Fox News, and NASCAR. It's not like I was worshipping satan. I was watching untold stories of the ER. And got yelled at and cussed.


Anywho - I don't want to labor the point any longer about my mom and dad. It's life. Suffice it to say, I finally got home last night at 8 pm. I'm mentally anguished. If I'm not too out of it today when I get home from work, I'm going to try to wire up / power up the AFR gauge.


What I think (because I'm not an electrical guy), is that I want to power up the AFR gauge with the Brown / White wire of the speedometer light. When the AFR gauge is first powered up, it goes through a "HEAT" cycle where it self warms the sensor. I think this might pull a decent amount of power. Because of this, I would like to interrupt that power pull when the starter button is pushed so as to not pull power from the starter. If I remember right, the headlight and speedometer lights turn off when pushing the starter button. I will put my voltmeter on the wires to make sure I get the correct wire. Does this sound reasonable?




7milesout

2016 Honda Rebel 250 - The "Piglet."
Totally Stock at the moment.
Bought on 6/29/19 with 44 miles.
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