Keno Posted February 25, 2018 Report Share Posted February 25, 2018 Current Setup- 91 octane, 24cc domes, 421 Serval, Shearer SBIF, Kehin 35mm A/S, Chariot Clutch basket, DD Lockup, 2.86 Staight cut gears, Sleeper06 Promod, Amsoil Dirt Bike Transmission oil Riding - Dunes, pasture with hills, very mild jumping (like a few feet) Last summer - Shattered a finger off stock basket w/ FAST Clutch, shattered several clutch frictions, ruined helical gears. Replaced with Chariot basket, Driveline Clutch, 2.86 Staight cuts, and Promod. November - Went to LSOK, Clutch was slipping badly under half throttle. Was using the springs that Driveline provides in their standard kit. Steels were blue and 2 clutch frictions were cracked. Figured springs weren't strong enough, Replaced with 3 EBC +10% and 3 EBC FZ600 +10% springs. and Tusk Clutch(Probably a bad choice.) Today - Clutch was dragging. Took cover off, 1 friction shattered into several peices with some of it missing. Ordered another Driveline Clutch and will be reusing the 3 EBC +10% Banshee and 3 EBC FZ700 +10% spring combo. I don't understand, I only have probably a 80hp setup. Has anyone had experience with breaking clutch plates? if so, how did you rectify the problem? I'll Post some Picture here shortly. Quote Link to comment Share on other sites More sharing options...
robpierce Posted February 25, 2018 Report Share Posted February 25, 2018 Pp hub and clutch should all be replaced at the same time. Could be warped. Sent from my SAMSUNG-SM-G891A using Tapatalk Quote Link to comment Share on other sites More sharing options...
Keno Posted February 25, 2018 Author Report Share Posted February 25, 2018 Yeah, I replaced hub and pp last summer, hub looks grooved now. My basket has some gashes now sadly will probably be replaced. Also I'm missing about half a friction plate. Damn. I'm going to order a hub and pp and probably a new basket. Ugh. Quote Link to comment Share on other sites More sharing options...
robpierce Posted February 25, 2018 Report Share Posted February 25, 2018 I'm a believer that they are seasonal. For the cost it's not bad and hood insurance. Sent from my SAMSUNG-SM-G891A using Tapatalk Quote Link to comment Share on other sites More sharing options...
gusto Posted February 26, 2018 Report Share Posted February 26, 2018 Have you tried adding more weight to your lockup? I can’t believe your basket looks like that that soon! Quote Link to comment Share on other sites More sharing options...
Keno Posted February 26, 2018 Author Report Share Posted February 26, 2018 No havn't added any weight. I haven't noticed any slipping with the heavier springs. But I'm open to adding some weight if it will help prevent my next clutch from grenading. To be fair the basket has had 1 clutch crack 2 frictions and another clutch friction explode. So its had some abuse. I guess I just want to know how people with higher hp motors keep from cracking or grenading clutch frictions. Quote Link to comment Share on other sites More sharing options...
gusto Posted February 26, 2018 Report Share Posted February 26, 2018 I don’t have much to add. Local guy here has had no luck with the clutches you’ve mentioned. Someone on here years ago was running the clutches you mentioned and ended up with the Redline street bike kit and it made a big difference. Quote Link to comment Share on other sites More sharing options...
Toybreaker Posted February 26, 2018 Report Share Posted February 26, 2018 I ran R1 frictions with barnett steels when my bike was built to 74HP. took 2 seasons of abuse before I had to replace the hub and basket... The frictions and steels are still in use on my wifes banshee.... Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted February 26, 2018 Report Share Posted February 26, 2018 dang lol crazy. idk much about clutch tuning, but I had a the FAST heavy duty clutch in my 85 hp 4 mil with heavy springs and a ball bearing lock up. Was probably over kill, I could have added weight to my lock up probably and went with oem springs and it would have been fine. Clutch is over a year old and still brand new basically. Quote Link to comment Share on other sites More sharing options...
Schweet97Z Posted February 26, 2018 Report Share Posted February 26, 2018 This makes me feel uneasy about putting the Driveline clutch in the 421 now. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
ZillaFreak Posted February 27, 2018 Report Share Posted February 27, 2018 49 minutes ago, Schweet97Z said: This makes me feel uneasy about putting the Driveline clutch in the 421 now. Sent from my iPhone using Tapatalk Why, this isn't a driveline clutch issue. This is an operator error and installer error. Quote Link to comment Share on other sites More sharing options...
Keno Posted February 27, 2018 Author Report Share Posted February 27, 2018 Sadly, zilla is probably right. My first problem was the stock basket, the second problem was the regular springs. The third problem was the tusk clutch. Live and learn. I'm installing another Driveline clutch, just with stiffer springs. I may play with adding weight to the lockup if needed. Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted February 27, 2018 Report Share Posted February 27, 2018 10 minutes ago, Keno said: Sadly, zilla is probably right. My first problem was the stock basket, the second problem was the regular springs. The third problem was the tusk clutch. Live and learn. I'm installing another Driveline clutch, just with stiffer springs. I may play with adding weight to the lockup if needed. I would just to be sure you can always take weight off if you need. zilla right lane told me that one of bills bike has a 3 yr old clutch in it. think its got the lock up on it too, but still Quote Link to comment Share on other sites More sharing options...
Keno Posted February 27, 2018 Author Report Share Posted February 27, 2018 Also, I feel honored that one of Zillas first posts in over a month was about my stupidity. I was starting wonder where he went. Quote Link to comment Share on other sites More sharing options...
Schweet97Z Posted February 27, 2018 Report Share Posted February 27, 2018 Hell I can’t even put a damn chain on right. But I tend to think the forum is where the smart people hangout. I try to buy what I think are some of the best parts out there. I don’t want to have something grenade because I was cheap and I don’t want it to grenade because I spent more money on something for that assurance. When I heard Gusto say his buddy had the same issue it got me thinking did I make the right choice. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
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