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Thanks Paul i just sent my order for book and movie and thanks for top triple clamp
Cheers Udo

I have to order book sounds interesting i just watched on any Sunday again this weekend what a great movie one of my fist bike was a 72 husky 360 and i compete vintage trials on 70s Montesas movie must have had big influence on me when i was a kid lol  
Cheers Udo

see the repairs were done under the yellow paint rear loop was broken off and one foot peg mount was replaced so it odiously was silver when fist raced those repairs where awful now rear brace and rear beefed up motor mounts which shows me they were done when motor was built up  looks better so i think it was there before the yellow then repairs were done by some ass then painted yellow you know early 70s lots of drugs would explain color choice so silver it is lol
thanks again Udo

I agree would be a shame to hide what was done lots of restored bikes not many old race bikes and they are way more interesting so sending all the parts that were yellow out for powder tomorrow to have it redone and it is kind of cool leaving the original dented rims and tank they show how it was used also do you guy know about vintage tires this will tell last time bike ran front is almost new Avon gripster rear barum s9a i know they are old just not sure how old here is pic http://s624.photobucket.com/user/goliath99/library/1968%20Penton%20V335?sort=3&page=1

Thanks Udo

yes point well taken i am actually considering racing it i would love to see how a fully modded fist year penton works that would be a one in a lifetime thing to get to race a 1st year penton now i am in Ontario Canada we have a big vintage fest Tom Penton was here this year and Helmut Clasen still races love to race with him my bike is in decent shape i can just paint frame fix it ride it then finish restoring it to perfect after next year.
Thanks for input
Cheers Udo

When i fist saw frame first thing i said about the rear braces what retard tried to make a slay out of it lol then what dummy paints a fist year penton frame yellow  i think i will cut the braces off the rear since they are stupid anyway lol then will powder coat frame back to silver , motor i already have a replacement 48mm cast cylinder and a standard bore yamaha 305 piston and rings on way , i am going to keep the 152 now since this bike was apart some parts got lost and mixed up it was bought 30 years ago with bunch of other bikes an parts it had a bultaco top tree missing original one the forks are 1971 they put the wrong ones in pile seat is a metal pan and i need a front fender mount rear fender and center stand other than that it is complete i want to put bike back together proper like it was
Thank Udo

I just finished talking to Helmut Clasen what a nice guy turns out we are from same area in Germany and he moved to the exact city in canada when we came here lol he invited me to come visit he also thinks it was a custom paint job and he dos not remember it so guys ready to paint frame any suggestions on how i should put this bike back together
Thanks Udo

And i appreciate your help see these fist year bikes are rare and the history is worth more than the value not often you find a raced modified 1968 alloy rimed big bore penton wouldent you guys agree
Thanks Udo

the crude welding is on the repairs those back plates welded to rear of frame are cut to the exact contour of tubes out of a single sheet of plate steal and as you can see those welds are good this was no armature job a racer would have cut 3 pieces of 3/4 bar then welded them in then the 2 extra tabs on the outside rear top motor mount were added also the bike was then painted yellow i have scraped the impossible to get at spots to see if it has any silver and no trace and the yellow paint is a real professional job and i can tell that it was done very early prob 69-70 then the yellow was covered up with gray primer and white paint this is a amateur paint job you would expect as first paint job over factory paint then the motor i can not tell you when it was built i can only tell you it is a penton 152 on its 3rd piton cylinder not fixable skirt cracked and bored to max    
guys i am an expert at this i been building my own cars and bikes and restoring rare vehicles for 30 years and compete in vintage expert trials i am #2 plate in my area check out my other pictures http://s624.photobucket.com/user/goliath99/library/?sort=3&page=4

thanks for the input so it is a penton cylinder kit now the rear drive hub got me baffled if someone bought this kit in 1970 when it was introduced and put it on a 1968 bike why would you not replace the 4 bolt wheel hub i am a tool and die maker to make the hub a lathe and a mill with rotatory table would have been required and the work this part takes to make you would have been able to buy 2 new wheels so it was made when nothing else was available in 68 i bet so why would my bike need such a heavy drive hub in 1968 only one reason had big motor now having penton cylinder kit on bike wouldn't that kit be the exact same as the bike they tested it on , the copper color bike fist prototype 152 made early 1969 was not the test bike someone had to test the concept first so they most certainly put some top ends on bikes and beat the crap out of them lol to see if it would work wouldn't you agree this bike has way to many red flags what dummy would paint a first year penton frame yellow this was done to make it look different

ok i took some better pictures of motor and the other special parts as you can see i have a black top end which is odd also had black front motor mounts to match cylinder, home made looking rod bearing also motor has been ported to the max no amateur built this hope this will help you pros identify it
thanks udo
http://s624.photobucket.com/user/goliath99/library/1968%20Penton%20V335?sort=3&page=1

Thanks Paul i will take better pictures of rear hub to show you and i am going to ask Helmut Clasen about this bike it might have come from him
Thanks udo

thanks for info this bike was raced or built by a pro got all the tell tale signs and has to much custom stuff like the rear frame supports wired spokes a custom made 6 bolt sprocket hub to fit a 68 wheel if someone wanted a 6 bolt hub in 69 you buy a 69 wheel you dont make a one of a kind hub, has alloy rims  with dents so it was rode hard i removed the rest of the paint from swing arm with paint remover to see if it had been blasted under yellow paint and it was not sand blasted ,now for motor what did they use as a top connecting rod bearing mine has a brass bushing yamaha needle bearing is 16x20 mm sachs is 16x19 mm the new aftermarket rods look like they are 20mm and the notches in my piston are to do with matching ports ,so if my bike has all these mods who do you think built a 68 modified race bike i can only think of one
i am putting bike back together with yellow frame someone is going to recognize it. also this bike is in Canada  
thanks Udo

alright in your model history page it said the fist prototype 152 was made in early 69 bronze silver sides then later that year more were made the cromoly framed bikes dident come out till 71 read for yourself my vin is late 68 dont you think the would have tried this combo before the custom painted one was built i can tell you this bike been apart for 40 years has 2 paint jobs over the yellow no silver under any of yellow paint the cad coating on the parts that were yellow they are brand new after i stripped paint here is the info on models also i looked tom pentons ama records up he won the cross country 176-200 cc in 1969 so he was not in the service then and what did he ride i wonder    
http://www.pentonusa.org/prodyears/prodyears1.asp

Hi i am looking for a top triple tree 1968-70 i have the handle bar brackets ,it was missing from my project and kinda stopped me from putting bike all back together hope someone can help
Thanks Udo