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Post by niz76 on Oct 22, 2014 13:07:10 GMT -5
its likes the 4g weights that came with the hoca the best. (i think 4.5g or a mix of 4 and 4.5g would be best for it.) goes right to 8k rpms (start of the pb) and pulls and pulls. charging the gps for 30min and then lets do some top speed runs. its a nice day out today even tho it was below 32 degrees last night. You must be a pretty light guy- I couldn't get the 4g weights to go over 35mph and the engine was screaming the whole time haha. |
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Post by jareeb on Oct 22, 2014 13:40:42 GMT -5
im only 125lbs  lol still want to try out the hoca rear clutch sleeve. anyone have any experience with them? and i have to modify the fixed half yet. this hurts top speed:  not the sixty that i was hoping for but damn. for such a cheap thrown together engine its fast! only hit 9.5k rpms too!  |
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Post by 90GTVert on Oct 22, 2014 13:55:23 GMT -5
still want to try out the hoca rear clutch sleeve. anyone have any experience with them? Are you talking about the torque driver or the torque driver cover that replaces the stock one so you've got ball bearings under the contra spring? I've used the torque driver. Straight grooves will eliminate most or all of the shift you get with a stocker. If you like lower cruise RPM, sometimes it's better to stick with the stock dual angle. Straight grooves are generally better for performance. Regarding the ball bearing base, never tried the Hoca for Minarellis. I have one for the 139QMB, but it didn't match up to my torque driver well enough to seal so it slung all of the grease out. I ended up making my own using BBs and a spare stock spring base. Over 1000 miles on it so far, still working fine. I don't think it does a whole lot, but it's a pretty cheap thing to try and if it takes any stress or torsion off of the spring it's not a bad thing. Pics in the link below. I tried just using BBs before adding the top, but I would end up with a few missing from time to time. 49ccscoot.proboards.com/post/95871/thread |
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Post by jhobe6678 on Oct 22, 2014 14:02:59 GMT -5
its likes the 4g weights that came with the hoca the best. (i think 4.5g or a mix of 4 and 4.5g would be best for it.) goes right to 8k rpms (start of the pb) and pulls and pulls. charging the gps for 30min and then lets do some top speed runs. its a nice day out today even tho it was below 32 degrees last night. You must be a pretty light guy- I couldn't get the 4g weights to go over 35mph and the engine was screaming the whole time haha. Just like how when I threw the Hoca on my VX50 with the 4g weights, it screamed like a little girl. I'm 240lbs, the bike is around 265? It didn't really do well till I put the 5g, now has 5.5g and I'm getting sliders from Dave this weekend so I'll try them in 5,6 and 7 gram weights. Combinations if need be. But damn jareeb those are some good results! I'd be happy to get 50 cruise out of my VX50. Good job! |
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Post by jareeb on Oct 22, 2014 14:06:40 GMT -5
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Post by 90GTVert on Oct 22, 2014 14:13:24 GMT -5
Same OD as a stock pulley so no OR effects there. Main benefits are the straight grooves and three different angles to try for fine tuning. I didn't even realize they sold just the TD now. Used to have to buy the whole rear pulley/clutch assembly to get it.
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Post by jareeb on Oct 22, 2014 14:17:31 GMT -5
yes i saw that. and im like yea it has to be stock OD. also whats the part number for that piggio from your diy OR?
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Post by 90GTVert on Oct 22, 2014 15:41:24 GMT -5
It had PCV06 stamped into it, which you should be able to find google-ing something like "Piaggio PCV06".
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Post by 2TDave on Oct 22, 2014 17:43:30 GMT -5
I have a Hoca TD I used before I got the OR and I liked it. It was great for keeping the revs up. Two sets of straight grooves and one angled.
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Post by 2strokd on Oct 24, 2014 8:22:28 GMT -5
Been using one on engines from 4-30HP with great results since 09. In fact its in a 30HP rig right now. That combined with Hocas clutch and bell and you will have a NO SLIP hard hitting bang for buck set-up!
I think an 11-12ish final drive is best for drag racing the 1/8th, OR or not.
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Post by 2strokd on Oct 24, 2014 8:25:51 GMT -5
I wish more clutch bells came with the knurled contact patch like the Hoca,s. Ive looked and looked and cannot find another. I think this is the key to the zero slip even with short gears and big power.
I have a Stage6 MKII 107mm clutch and 430g bell on another drag scoot with less power and it slips like mad until its hot.
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Post by jareeb on Oct 24, 2014 11:23:57 GMT -5
im not sure what s6 clutch i have, it was my brothers. i dont see any slippage right now. but maybe once the big engine is done it might start.
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Post by 2TDave on Oct 24, 2014 13:43:07 GMT -5
Robert, have you tried heavier weight in the S6 clutch?
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Post by jareeb on Oct 24, 2014 22:27:11 GMT -5
drove the spree on its first 55mph traffic roads. lets just say i was on peoples asses...  scoot starts out in to high of a "gear" a stiff centra spring should help this. maybe a washer in the var as well? |
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Post by niz76 on Oct 24, 2014 22:59:34 GMT -5
I modified my Hoca vari (heavily) to get full travel and also good takeoff..    I added spacers to the boss for good takeoff and I also filed the faces so it can close together tightly and get the belt all the way to the edge. I call it a "mini overrange" I got the idea from Brent's article in the tech section. |
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lol
scoot starts out in to high of a "gear" a stiff centra spring should help this. maybe a washer in the var as well?