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Post by nelson on May 28, 2016 20:38:32 GMT -5
Wow I can't believe it didn't seize at 500! Ya that cylinder must be great at heat management. I've seized (and blown a hole in the piston) the steel Hoca 54mm at around 440 but I was pushing the envelope with timing advance... EDIT: Actually no I got that wrong- I've never seized my steel Hoca 54mm, that was a 52mm that I blew a hole in. Same thing happened to me with a 52mm but my hoca 54 has been solid |
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Post by nelson on May 28, 2016 20:41:36 GMT -5
I don't mind taking the head off again and grinding open the combustion chamber a little more to get lower compression. Then I could sand down the gasket area to lower my squish. Do you think 160 psi is too low on the compression? I am running around 170 on compression. No problems with the 54 cylinder. It's hot here in Texas as well, running a 100-110 main |
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Post by mauibird on May 28, 2016 21:29:27 GMT -5
I don't mind taking the head off again and grinding open the combustion chamber a little more to get lower compression. Then I could sand down the gasket area to lower my squish. Do you think 160 psi is too low on the compression? I am running around 170 on compression. No problems with the 54 cylinder. It's hot here in Texas as well, running a 100-110 main I'll probably grind out the head a little more to get down around 170. Mahalo!! |
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Post by mauibird on May 28, 2016 21:36:10 GMT -5
So I finally got full range on the variator today. It took switching to a longer belt to get the results. I went from a 816/17.5/30 belt to a 820/17/30 to full full range of motion. But it didn't run as well. I wonder if being .5mm narrower was causing it to slip a little off the line cause that what it felt like. Maybe I could go lighter weights to make it run better…Mmmm  |
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Post by oldgeek on May 28, 2016 21:45:05 GMT -5
If that is a Malossi kevlar belt, I have had new ones slip on me until they got warmed up and worn in just a bit.
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Post by mauibird on May 28, 2016 22:00:42 GMT -5
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Post by mauibird on May 28, 2016 22:06:18 GMT -5
So I wasn't completely happy with how the bike was running on my 30 mile round trip with my dad. So I decided to go back to the longer belt with lighter weights and lean out the a/f screw a little. Now The bike is probably running the best with all around performance in mind. I took it out for a test run and It pulls hard off the line, lifting the tire a few inches, and just keeps pulling till it topped out at 70 with a few mph head wind. And full cycle of the variator! Yeah. Ill bring both sizes of belts on the run tomorrow in case I change my mind. HaHa..
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Post by mauibird on May 29, 2016 0:12:25 GMT -5
If that is a Malossi kevlar belt, I have had new ones slip on me until they got warmed up and worn in just a bit. They are Malossi Belts. I got lucky and found the longer one from an old build. Brand new. And it seems to be doing fine now, so maybe thats what happened. I'm glad I decided to check it again with lighter weights. and I have two! Wish me luck on the run tomorrow. |
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Post by mauibird on May 29, 2016 0:22:48 GMT -5
So I finally got full range on the variator today. It took switching to a longer belt to get the results. I went from a 816/17.5/30 belt to a 820/17/30 to full full range of motion. But it didn't run as well. I wonder if being .5mm narrower was causing it to slip a little off the line cause that what it felt like. Maybe I could go lighter weights to make it run better…Mmmm Crazy that an extra 4mm in length gave a 1/4 inch more in travel. I thought it would have taken much more length… |
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Post by oldgeek on May 29, 2016 5:42:25 GMT -5
If that is a Malossi kevlar belt, I have had new ones slip on me until they got warmed up and worn in just a bit. They are Malossi Belts. I got lucky and found the longer one from an old build. Brand new. And it seems to be doing fine now, so maybe thats what happened. I'm glad I decided to check it again with lighter weights. and I have two! Wish me luck on the run tomorrow. That belt # looks familiar, I may have another one for you  Have a great ride, and get some video for us if you can! |
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Post by nelson on May 29, 2016 8:24:49 GMT -5
I had nothing but issues with my mhr cvt set up. I only went up to 6.5 grams on the weights. It would pull hard to about 40 and then it would stop pulling. Would have to let off throttle and nail it again , was like it would get hung up. Now I just run hoca cut and stock td. It runs hard right up to 60-65 mph. I am saving the mhr pulley for my lc build. After seeing this it's tempting to put the mhr back on and get some heavier rollers. That is about the best scenery on earth to be cruising! And cruising with your dad, doesn't get any better  |
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Post by mauibird on May 29, 2016 13:00:34 GMT -5
I had nothing but issues with my mhr cvt set up. I only went up to 6.5 grams on the weights. It would pull hard to about 40 and then it would stop pulling. Would have to let off throttle and nail it again , was like it would get hung up. Now I just run hoca cut and stock td. It runs hard right up to 60-65 mph. I am saving the mhr pulley for my lc build. After seeing this it's tempting to put the mhr back on and get some heavier rollers. That is about the best scenery on earth to be cruising! And cruising with your dad, doesn't get any better Got to have a soft torque spring. The stage6 pink one is working out for me. With just a slightly stiffer spring the variator would only open half way. |
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Post by mauibird on Jun 2, 2016 4:56:46 GMT -5
So we had our run on Sunday. It started off bad, but ended good. First thing in the morning when I went to kick start my bike, I shredded my half-moon kickstart gear. Too much compression. So I put on the cover from my Replica engine, and it was too shallow. The case hit the clutch bell preventing the rear tire from spinning. So I had to pull the gear. Then I couldn't find this special screwdriver I use to wind up the spring before putting on the gear. I finally found it. A little flustered, I fixed the bike. It started on first kick. So I was an hour late, and ended up driving the opposite way around the island to meet up with the crew. I finally caught up with them, and finished off the rest of the run. Everyone was impressed with the speed of my bike when I raced the 72cc Dio bikes. I smoked them. But, alas, I didn't do so well against the 120cc bike. I guess there is no replacement for displacement. Heres a vid, hope you like it. Also some good wheelie action… on a side note, My bike was running between 450 and 500 degrees the whole time. After a half hour, I just stopped watching the temp, it was too nerve racking. It even went to 600 for a brief moment ( at least somewhere between 550 and 600, hard to tell at 75 mph. And All the elite guys here are running 120psi on the compression, seems too low to me www.youtube.com/watch?v=3z2mn8c9ywA |
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Post by 90GTVert on Jun 2, 2016 6:53:53 GMT -5
Nice vid. Looks like it's running great, other than the temps that hopefully aren't correct.
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Post by mauibird on Jun 2, 2016 15:36:25 GMT -5
Nice vid. Looks like it's running great, other than the temps that hopefully aren't correct. I think its accurate. Its a micro 1000 gauge for an airplane. its guaranteed accurate to within 2 percent. Its the same gauge that I've been using for a while now. I guess I could check it with some boiling water. |
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