The Achievable Dream 5-part series - the definitive guide on DVD for planning your motorcycle adventure. Get Ready! covers planning, paperwork, medical and many other topics! "Inspirational and Awesome!" See the trailer here!
Gear Up! is a 2-DVD set, 6 hours! Which bike is right for me? How do I prepare the bike? What stuff do I need - riding gear, clothing, camping gear, first aid kit, tires, maps and GPS? What don't I need? How do I pack it all in? Lots of opinions from over 150 travellers! "This DVD will save you a fortune!"See the trailer here!
So you've done it - got inspired, planned your trip, packed your stuff and you're on the road! This section is about staying healthy, happy and secure on your motorcycle adventure. And crossing borders, war zones or oceans!
On the Road! is 5.5 hours of the tips and advice you need to cross borders, break down language barriers, overcome culture shock, ship the bike and deal with breakdowns and emergencies."Just makes me want to pack up and go!" See the trailer here!
Tire Changing!Grant demystifies the black art of Tire Changing and Repair to help you STAY on the road! "Very informative and practical." See the trailer here!
Ladies on the Loose! For the first time ever, a motorcycle travel DVD made for women, by women! These intrepid women share their tips to help you plan your own motorcycle adventure. They also answer the women-only questions, and entertain you with amazing tales from the road! Presented by Lois Pryce, veteran solo traveller through South America and Africa and author of 'Lois on the Loose', and 'Red Tape and White Knuckles.'
"It has me all fired up to go out on my own adventure!" See the trailer here!
We're not a big multi-national company, just two people who love motorcycle travel and have grown a hobby into a full time job and a labour of love.
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Travel BooksMotorcycle and travel books to inspire and inform you!
DVDs - Watch and Learn!
Horizons Unlimited presents!
Achievable Dream The definitive guide to planning your motorcycle adventure! This insanely ambitious 2-year project has produced an informative and entertaining 5-part, 18 hour DVD series. "The ultimate round the world rider's how-to DVD!" MCN UK.
Collectors Box SetAll 5 DVDs with a custom printed slip case. "The series is 'free' because the tips and advice will save much more than you spend on buying the DVD's."
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I've just re-built the top ends on my R80 GS Paralever. Everything de-coked, new valve springs, gaskets, o' rings and grommets & stainless push rod tubes. The bike starts and runs fine but there is a persistent ticking noise from both cylinder heads that increases in line with engine speed. The rocker gear is in good condition, everything was lubed on re-assembly and the valve clearances were set at Inlet 0.1mm & Exhaust 0.2mm as per the Haynes manual. I averaged 46.5mpg or 16.4kml on a 300mile trip a couple of days ago at 75-80mph mainly on motorways, so I do not feel that the problem is too serious.
I have had the same problem with my G/S after and extensive re-fit. Apparently, the noise we are both hearing is a result of the rocker arm's not being properly shimmed. In talking with other owners, I was told by some the accepted method is to use a 'c' type clamp to pull the pillow blocks together prior to torqueing the heads down.
*A WORD OF WARNING*
I have not substantiated this with a BMW Mechanic, so I would talk to someone experienced with Airheads before doing this. According to my Haynes repair manual, this proceedure was only necessary with the older /5 series, and the newer bikes have 'self aligning' pillow blocks. It may be that shimming of the clearence is in order, to what clearence I don't know. I have discussed this with people that performed thet c clamp trick on newer bikes, but look into it further before you attempt this, as I will. I wouldn't want to be responsible for any damage due to false advise!
However, as to the cause of your noise, it does sound like this is it. As to damage caused by the gap in clearence, it is unlikely.
Correct rocker arm end play is .05mm +- .02mm. or between .03 - .07mm
If it's more it will make a racket that sounds like valves out of adjustment.
Shims are available from BMW dealers, in .20, .25, .30, .35 and .50 mm thicknesses. (Note: the accuracy of the shims from the factory is suspect, some are a little thicker some a little thinner, e.g. a .20 is actually .22, and some have a burr on the edge which should be sanded off.) The shim is on top of the rocker arm. Don't try to squeeze with a c-clamp, doesn't work on the later models.
Slackened off the heads earlier & re-torqued them to 28ftlbs and re-set the valve clearances. Both left hand clearances were about 0.02mm loose and both right hand side clearances were tight by the same amount. Once re-assembled, the ticking was still present but slightly quieter.
Thanks for the advice on the rocker gear shimming, unfortunately I don't have time to do this at the moment but will report on the results when I do.
Interesting, I though that the clamp method worked OK on later models. There is some clearance in the rocker block stud holes on my '93 and I've certainly squeezed them together swith some degree of success. In fact, our local BMW dealer couldn't remember ever having sold any shims - but he probably can't remember selling an airhead either. Is it maybe a question of the amount of play that can be corrected? Alignment certainly isn't an issue on the later bikes.
Problem with the squeeze method is getting the clearance right. On my own I found that squeeze only varied it by .01mm at best, (once tightened down) so pretty hopeless. Others may be different. Dealers don't sell shims cause they're too dumb fat and lazy to do it right, imho.
"They all do that sir" is the usual response to a complaint of valve noise.
Properly set up ones don't. Mine is remarkably quiet compared to almost all others I've heard except brand new ones, and mine still sounds new.
Just ordered a selection of all size shims from Sherlocks. I've two GS Paralevers to do when I return from two weeks in Europe (we leave this Friday).
I've ordered 4 of each shim (£10.00) as I'd rather be able to measure the clearance and remedy the situation immediately rather than have to put the bike back together and then do it again after ordering the required shims.
Looking forwards to a quieter engine, will post results in a couple of weeks or so.
Carried out the work last Sunday. Had the shims for a while but laziness had taken a hold on me.
All four rocker arms had clearances on the tight side. I expected the clearances to be loose, not tight?
Interestingly, all four arms had 2 x 0.3mm shims fitted. I expect that this is the standard BMW fitment upon leaving the factory? On both inlets I only had to remove one of the shims. On the exhausts, I removed both shims & replaced them with a 0.2mm shim in each arm.
The result is a quieter running engine, Worth doing, took about 2 hours in total, taking it easy. Easy to carry out as long as you have Verniers & a Micrometer. The shims are only 60p each from Sherlocks.
This bike is now for sale, see my posting in the relevant section, full spec on contacting me.
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Horizons Unlimited is not a big multi-national company, just two people who love motorcycle travel and have grown what started as a hobby in 1997 into a full time job (usually 8-10 hours per day and 7 days a week) and a labour of love. To keep it going and a roof over our heads, we run events (22 this year!); we sell inspirational and informative DVDs; we have a few selected advertisers; and we make a small amount from memberships.
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