Suchergebnisse

Zitat von TigerSam: „Hi Mats, I take a pair of valve-covers as well, the blue one will be fine. Maybe I also order a cover for the water pump Greetz Sam PS: Great work as always “ Thanks, TigerSam! I'll put them in the mailbox tomorrow!

Danke für die Interesse! Ein paar Deckeln, inkludiert viton o-ringe und normal post, kostet 780 SEK (ungefähr 75€). Bitte senden Sie das Geld bis ein Freund (mats.clementz@gmail.com), und acceptieren das PayPal Gebühr! Deckeln für die Wasserpumpe dauert leider noch 2-3 Monate. /Mats

Hallo Stefan! Ich habe leider nur blaue Deckeln zurück! Es ist möglich die Anodisierung wegnehmen, aber dann wird die Deckeln grau und passt besser mit Glaskugeln gestrahlt. Entshuldigen mein Deutsch!

Zitat von Duc851: „Würden mir in Silber sehr gut gefallen. Leider ist mein Motor Baujahr 2000. “ Ich habe ein paar in alu finish. Nicht sicher die passt deine Jahrmodelle.

Zitat von Duc851: „Würden mir in Silber sehr gut gefallen. Leider ist mein Motor Baujahr 2000. “ Ich habe ein paar in alu finish. Nicht sicher die passt deine Jahrmodelle.

Servus, Leute! Die originale Ventildeckeln sind swach und verbogen. Die packung geht oft in Stücker wenn justieren des Ventilspiels. Ich habe ein Deckel designet, das stärker ist und dichtet mit ein o-ring. Ich will ein Batch produzieren, wenn Ich ein Ahnung über die Nachfrage hat. Ein Set (zwei deckeln mit o-ringen und std post) wird 75€. Ob du dein Husaberg verwöhnen w¨¨¨¨¨¨¨¨¨¨¨¨unscht, Bitte geben ein Kommentar hierunter! Entschuldingen mein Deutch!

Zitat von Flo: „Hey Mats! Thanks alot for all the information! It sounds very comfortable just to cold press new bearings into the steel seats. Funny Swedish saying by the way ... It would be great if you could ask your friend how he figured out the space problem on the ignition side! I know some guy in an advanced metal editing company who can widen the seats by eroding. When my engine will stop working I plan to do some bearing upgrade. Your way is the most promising I saw until now :). Did yo…

Zitat von Flo: „Hey Mats! Thanks for your answer. It is nice to hear that the big bearings don't struggle with your big engine! Of course I could use standard bearings again. But as the history showed, my engine just can expect 35-45h with one main bearing set. I have the special durable 2004 model ... The bushing adhesive is possible, you're right. But it would be very nice to have a more durable bike (100+h @ 644ccm). When you use steel bushings at steel bearings - how do you change them? Just…

Zitat von Flo: „Hello Mats! After many weeks I took a look to the forum and saw your video . Again, it is amazing what you get out of the old Husaberg Engine!! My main bearing seats are totally worn and the bearings have to be changed soon. Your bearing update looks very nice! Do you have first experiences with them? Do they last longer than the original ones at your engine (5h... as I can remember)? Could you imagine some other construction on the right side which allows the original ignition t…

Hallo leute! Ein neues video für Sie! Copper head gasket and crank balance

We have done a lot of calculations/simulations during the winter/spring. We have found out that we would have to make extensive modifications to the crank shaft, to be able to reduce the bending. There is not only one single modification that will solve the problem. I have instead chosen to let the crank move freely and replace the main bearings for spherical roller bearings. They are a bit "over-kill", but they will allow the crank movement and cope with the radial stresses. BTW: The look for 2…

Cheers, Flo! I believe a 32mm pin is too weak. With that "bottleneck" in the design, there is no point in making a tougher crank. The idea was to use an OEM rod. The 644cc rod is 135mm tall and the 628cc rod is 136mm. So, just mount a 136mm rod on this crank and you´ll be good to go! For my application I use a custom Carillio rod, 145mm tall. If however there is an interest in making exact copies to the OEM design, that can be arranged too. I will make two cranks for myself in any case. I just w…

Zitat: „Original von Flo Hey Mats! That sounds very interesting !! How much stroke does your planned crank have? I would like to keep my 644ccm. Do the bearing seats have to be adapted (e.g. milled) ? At the end of the year I would buy such a kit. Does your race bike run well? Cheers Flo“ Hi! The plan was to make a 80mm stroke with 35mm pin and maybe a 70mm stroke for the 550 (with 35mm pin though). The 644cc crank with 82mm stroke and 32mm pin, is IMO too weak configuration to try to improve. T…

The Husaberg 550 and 650 are infamous main bearing killers. The culprit is the crankshaft, because it is weak and spreads to the shape of a banana when picking up revs. I'm planning on making a tougher crank. It will require you to remove the counter balancer. The left crank web will be thicker, to be able to hold the crank pin better. The right side will have a taller shaft to accomodate a second main bearing in the flywheel compartment. A spacer/bearing cage will be mounted at the right side a…

Zitat: „Original von Tom-ek congratulations ! :top:“ Thank you!

The last building video in this particular Project: Husaberg DRC680, part 11 "Grand Finale"

Zitat: „Original von Flowhy you use the very short 1st gear of the enduro models? i though for normal racetracks a longer first gear has advantages (not just use it for starting). cheers flo“ Oh! Then I must have mixed up the models! I use the tallest 1st gear of the two available!

Zitat: „Original von Flo your son can be proud of you ! the gear ratio seems to be very long (compared to supermoto) but nevertheless the bike accelates very well . i wish you good luck for the upcoming races!! some days ago you mentioned (in a video?) that you change your main bearings after each weekend. is this still such a problem or have you improved the bearings? thanks alot for documenting your great project! please keep on uploading ! cheers flo“ Thanks, Flo! The bike was geared for 220k…

I had to install dB-killers, as they complained at the track, but that's a cheap price to pay when the bike was running really good! I had no time to make a fancy video, but here is an onboard video of todays shake down test! I hope you enjoy it as much as I did! Husaberg DRC 680 onboard

Zitat: „Original von Memphis@MG This sound ....................... I will see you in the TOP 3 !“ I will do my first laps in a year tomorrow, so making it to the podium next weekend (races) would be really something! Maybe you are referring to a sound competitioin? I have perhaps better chances there!

Erste proberfahrt morgens! Husaberg DRC680 video

Here is the headpacker that goes with the taller conrod. I have machined a new cylinder sleeve, so next weekend is engine assembly! 2014-06-19%2017.46.07.jpg

Zitat: „Original von Flo hey mats! would you tell us the weight of your self-made frame? is it heavier or lighter than the one of aluminium? it's amazing that you build your frame around your engine ! please keep us up to date cheers flo“ Thanks Flo! I haven't been able to measure the weight in exact comparison yet. The swing arm is a bit heavier and the front end a bit lighter, so I guess they will be similar in weight. I will check once the bike is complete again! Sorry, still no test video: H…

Thank you for the kind words! It´s getting closer now: 20140530_184306.jpg

Now the CrMo-parts are back from powder coating. Ram%20efter%20pulverlack.jpg

Zitat: „Original von MiKe2F4u Amazing work and a great project! Looking forward to a video of the test drive :top:“ Me too! Until it is completed, another build video will have to do: youtube.com/watch?v=zQ4PVVQtKfM

Hm. Difficult to explain with only words... With a shorter conrod the linear acceleration to the piston, will be higher due to the "gear ratio". Imagine a REALLY short conrod (length close to the stroke). When the crank pin comes up at some 70-80 deg BTDC, the rod will be almost perpendicular to the linear axis of the cylinder bore. When the crank pin approaches TDC the gearing will cause the piston to accelerate very fast up to TDC, causing a corresponding high retardation. Now imagine a VERY t…

Zitat: „Original von Flo hey mats! now i found some time to watch all your new vids! thanks alot again - very interesting (and sometimes funny) stuff ! to part 5: - you put in a longer conrod. does this help against the cracking crankcases? you mentioned there would be less acceleration in the top/low end of the crank - could you please explain this a bit more detailed? it sounds like this would be a proper way to improve the reliability of the old bergs ! to part 6: - its not enough to build an…

The machine shop wizard, mossbergs.se, has done his thing! Ramsidor.jpg

Zitat: „Original von MONO Daily timetable when turning on the computer: - start computer - open forums - open youtubechannel "mats clementz" I´m excited to hear your feelable differences in the steel tube frame compared to the Honda RS aluminium chassis!“ Hehe! It doesn't have to be true, still an enjoyable story! Thanks, Mono! I hope the difference will be minimal. If any difference I would assume it will have to do with the swing arm. I believe it will flex a little bit more but since it's 52m…

I knoooow! The season 2013 was shortened by my achillies, but this year there has to be an opportunity to put the GoPro to work!

I'm in the middle of designing and manufacturing a new frame. Maybe som of you tech geeks are interested? The videos part 5, 6 and 7 is from the chassie build. Mats "Dr_C" Clementz on Youtube

Thanks for cheering! If I got it to work, I would be able to post driving videos...Next up is new tougher valve springs, welding the cylinder head, new piston and sleeve. Then we'll see.

Was hat passiert letztes Jahr? Husaberg 650 DOHC, part 4

Zitat: „Original von Schüttel Thats very importend! After this weekend i will post pictures of my tuning...“ For this power, the type of bearing doesn't matter so much. All types of bearings will break down within 10 hours of operation. But hey, that is well over a race weekend, so thats OK to me! Where did your pictures go?

Zitat: „Original von Schüttel What kind of mainbearing you have installed? Left- and Rightside the same?“ I use special KTM-spec bearings. Roller on the right side and spherical on the left. I do not think it matters so much. I plan to replace them after every race weekend anyway. First training is on Monday! Then we'll see how the engine character works!

Zitat: „Original von Schüttel Great! What do you think about how many hours will it work? Crankshaftbearing and so on... The compression was 14/1, correkt? What kind of Fuel was used?“ If it holds together a whole race weekend (2-3 hours), then I'm happy. I have no clue, but I guess main bearings and rod kit will be needed every now and then. Somewhere between 14 to 14,5. Shell V-Power fuel. /Dr_C

Husaberg 650 DOHC dyno

Ein video kommt auch. Es gibt mehr zu tun, um Glättung der Leistungskurve zu bekommen. Doch ist das top Leistung nicht schlecht. Husaberg%202.jpg

Today I was at the dyno again. The lambda sensor was fooling us to believe the fuel map was too lean. In reality it was the other way around! After having made the first rough adjustments the engine was running decent. It is already giving more than 80hp at the rear wheel. Seems the efforts will pay off! It sounds very "vicious" over 7000rpm... Heute war ich bei dem Prüfstand wieder. Die Lambda-Sonde wurde täuschen uns zu der Annahme der Kraftstoff Karte war zu mager. In Wirklichkeit war es umge…