sherpated

Ah, Redline .I ordered some from the local dealer, who wasnt so reliable. It turned out it was on back order and it would take weeks, so I cancelled. I ended up using Putoline fork oil 2.5 weight. I was suprised on how 'watery' it was and guessed it must be pretty close to the Redline. I've been out a few times now and must admit that it has really helped. Im not so sure about the oil that was in there ,but i a little supiscious that it was 10 weight.It was very black when I poured it out too. it was lacking 100ml too in the right leg. I'm still having fun playing with settings ,but overall a big improvement. I have set the sag up on the back too.This was also in need of adjustment. It now feels more alive and getting the rear up in the air is a lot easier now. Thanks for asking Jonny

I'll order some redline , check the sag and get it done for the weekend?

Thanks Jonnyc21 .Sounds like 2,5 is a good option. I tried a friends 300 rr yesterday, by comparison and it was amazing. I probably wont be able to get the front as good on mine, but maybe the oil will help. I hoped it would be a lot easier with a drain plug ,like on most classic forks, but no problem... Do you know if the the springs are a good idea to replace too, or do they last 'forever'?

A quick simple question fro a first time 4stroke owner. I have just aquired a 2006 Repsol 4rt and having loads of fun. I would ,however like to liven the front suspension up a bit. I have already screwed the rebound right out on the front fork (s), but still feel it could be more responsive. I suspect the previous owner has used a heavy oil in them.? Do I need to take the front forks off to change the oil, or is there a drain plug in the bottom?

Very interesting .thanks for that. Ill use this as a guide, when I measure and set up.

Yep seems to be a TRP shock I have. Thats good to hear its a good alternative to the Showa! Thanks Beta_Blocker for the pic, and confirming that The info on the spring says 75-150, I think its for an 80 kg+ rider, which is a harder spring than standard. I weigh abought that ,but not over. The preload is wound about half way. Should I undo it to take full advantage of the full spring length or will measuring the sag determine that? Looking forward to the weekend for some testing

hmmm, I see. is the TRP shock as good as the Showa ? Ill take a closer look tonight after work and grab a photo.Thanks for the image Duggan

Hallo guys, I have just aquired a repsol 4rt from 2006. Its in sound condition and I have been out on it a couple of times now. I am so happy for it and having lots of fun. I regard my skils as clubman/intermediate and weigh 80kg. I have decided to start tweaking the suspension to get a faster rebound, especially on the back ,where I found it quite slow and un-responsive. I found out it was screwed right in on the highest rebound setting...but didnt really take much notice of the shock itself. It wasnt until I thought of adjusting the preload today that I noticed it has an orange spring with TRP 75-150 written on it. This has got me doubting if it has a Showa shock at all. can anyone help with identifying this spring, and enlighten a noob? (The rebound screw on the top of the shock ,under the seat is orange anodised )

Well thanks guys. That sounds perfect I will check it out ?

I was thinking about if anyone one here knows if there are any good trials training courses/ schools around the Barcelona area. I found a couple of links for trail riding tours in Spain, but not trial specific. Could be a fun trip for a weekend in the spring or autumn with a few mates..?

Im having the exact same problem on my 159 with a 28 mm oko. Did you get the mikuni on and working?

Usefull feedback everyone, thanks! Sounds like the 200 could be an option. I like the idea of a lighter feeling bike. Mac:The kickstarters not a problem for me, as I ride a Bultaco at classic trials so I am used to it ,but not the weight!

Has anybody been fortunate enough to try the new 2016 Evo 200 yet? i'm considering a Evo 250 but also curious about the new 200, especially because it should have the same bottom end as the 250 and 300 now. I am a clubman rider, and like to compete, but not that strong. I want to feel like I'm in control of the bike and not the otherway around , so i dont fancy going bigger than a 250. Im 6'1 and 82kg. Would the 200 be too small/underpowered for me? Any advice would be much appreciated! (Unfortunatly i dont have the possibility of trying one in my local area)

Tomtom385 jep I can follow you on that one! Thanks for the offer by the way I might take you up on that one .?I think the original looks more like the one from the m92. I also stumbled apon a post from 2012 where one of the members has posted a pictire of a correct one I think (the 350 at 2.85 kg) http://www.trialscentral.com/forums/topic/41223-198b-angine-differences-flywheel/ as far as I can gather is that there are only a few types as you state Woody..Ill get back to you tomorrow...

Thanks Woody,good tip. I'll bare that in mind when shopping for one. Being an m188 ,as far as records go, its from 76/77.? By the way, I took the motor out of the frame today and will split the casings tomorrow and fit new bearings. That will be fun. The wifes out too tomorrow so Ill pop it in the oven to heat it and air out before she gets back!.....?

Thanks feetupfun! i would kindly accept your offer but alas I am in europe and agree with you on the postage, because its quite a heavy object. I will try to track one down here first. The kind chaps at Bultaco uk are already onto it today so we 'll see how that goes.Thanks very much for the offer though I might get back to you on that one yet!

Thanks for feedback andthe suggestions for different flywheel models that I can possibly use .I have been looking around the net and found a couple of pictures of Alpina engines with their flywheels exposed. It looks like the standard flywheel is a lot heavier than I have, with the two sides on it being roughly the same size like a double disc. I will try and track down an Alpina one as first choice. Im suprised to hear from some of you that the splitting/breaking of the wheel is not an unheard of problem. That surprises me with it being such sturdy hunk of metal! Love old bikes..always full of suprises! I hoped I would be up and running for the easter hols, with just a quick crank seal change but I guess Ill have to be a bit patient until I track down a flywheel...I ll keep you all informed.....

thanks guys for the quick feedback.I think ill try and pick up a sherpa flywheel. Funny its broke but Im in doubt whether to get a heavy sherpa flywheel or one the same weight.Woody, You said that the lighter the flywheel the faster the pick up. That sounds logical, bur are there any advantages of a heavier one in the sections and are there any disadvantages for the balance of the crank?

Hallo . This is my first post. I would appreciate it I could pick your brains guys. I´m in the process of stripping my Alpina type 188 350 engine down which is sitting in a 159 chassis. I bought it about a year ago and had a fair bit of trouble getting it to run properly since. I have done several trials on it so far but its constantly giving me starting troubles. Over the last year its broken a woodruff key on the ignition side (fitted with electronic) Then another time, a primary chain tensioner broke. Now, again it has stopped running...possibly due to the flywheel on the clutch side? Im pretty sure it was in one piece the last time I checked! I am starting to wonder if something is off balance? I know the bearing race on the ignition side behind the flywheel looks a bit ragged could the crank be vibrating and throwing stuff off balance. Is it at all the right flywheel? The first picture shows the flywheel hanging on the shaft . Any help appreciated!!

I can feel your pain d250b, Iv'e been fixing my engine up on my 350 159, and run into similar problems with different lenth bolts on the clutch and flywheel side. The previous owners had been a bit heavy handed and careless. Especially the drainbolt on the clutch side was too long . When I stripped the clutch to replace it I couldnt understand why it kept on leaking oil.I thought I'd drained all the oil from the clutch side, but on further investigation ,it turned out to be gearbox oil dripping out fro the drain plug hole. The drain bolt was to long and had been forced through creating a hole to the gearbox. For now ,I just screw it back in to stop it leaking, but I will be getting this welded up when I split her open this winter and replace the crank bearings.

hi,Ive just finished fitting one on my Sherpa 350 tonight after playing around with the points and replacing the condenser last weekend without luck. However Im not getting that "great blue spark" that I should expect,just a week one ,and a bike I still cant start...so I cant really vouch for it yet....