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Discussion in 'New Zealand' started by Voltaire, May 14, 2012.
No....I let the clutch out....
The older these bikes get the more new things that break we find....
I know a bloke with a roller starter, he might let you borrow it. Ask nice he might even let you borrow the Triumph approved tool kit.
Tis a kind offer indeed, however 'The Bavarian Tractor" now has Bosch starting and Mr Lucas will not be required.
Hamilton Motorcycle Club put on a great event, very well run and the weather was perfect.
I met up with a fellow ADV rider Oscar who ran a smooth operation in Pit lane for the day...he must have been cold.
Team Bavaria fielded two bikes , the ever popular R90s and the less well known R90/6 touring version.
Sid was running a higher final drive and pulled away on the straights and both of us managed best lap times of 1:27, which was my best ever.
Our local KB group BFTP turned up and we had 5 BMWs outside 'the Eagles Nest" tent.
Entered in two classes , Posties/Classics and Clubmans B, so had 2 rounds of practice and 6 races...well would have had 6 but for the last one we swapped bikes and Sids super duper Lithium Iron red battery decided to die on the start line.....
There was a few cool bikes there too, a new Norton Commando, that he managed to lay down on the grass....
and his 1934 Royal Enfield V twin 1300 cc(?)
I was pretty knackered after 45 odd laps ( 120 KMS) of HD on the old Beamer. The last minute clutch works held up fine.
maybe Trust Me will have the old Triumph cobbled together for August....
Racing at HD on Sunday so doing my usual last minute prep.
Swapped out FD from 3.2 to 3.0 hoping I can see off the R90s on the straights....
Found a 'better' set of 36mm Dells in the shed, however my mate who made me the custom inlet manifolds also made me the nylon sleeves.
The custom ones are slightly loose on the inlet stubs. For test purposes I gave them a couple of turns of electrical tape but I would prefer something more fuel resistant:eek1 any ideas on fuel resistant tape?
might go to Blackwoods in my lunch tomorrow and ask.
Swapped out the 136 mains for std R90s 155's.
The proof will be on Sunday to see if I can break 1.27 lap times.
Extremely poor quality vid showing bike actually idling and live ignition feedback. You can see the revs, the point of the curve and you can drag the curve around at the same time.
I altered it tonight to give a more stable idle with a bit more base advance.
Total advance is achieved at 4500, no particular reason but the bike seems to lack punch mid range.
Bugger me thats a bit flash isn't it?
That's how us Jaffas Roll....
R90s and R90 rematch.
Mods to R90s:
Engine raiser dog bones
Mods to R90
Less worn set of Ex Ducati 36mm Dells fitted with 155 mains.
Advance curve tweeked to give full advance at 4500 and a bit more advance at idle.
Leaded race fuel
new spark plugs ) change these every meet)
Bike now idles nicely when warmed up and only needs choke to start cold.
My target for the day was to keep ahead of the R90s and improve on my 1.27 lap times.
I decided to only run in Post Classic and let Max Headroom ride in Clubmans B
Max Headroom who owns a very nice tweeked R90s made his solo race debut and was going to ride both bikes back to back in different races.
This was going to be interesting.
Adrian set the tone of the day by my being unable to get past him.
I could get within several bike lengths but was never in a position to pass.
He managed a best time of 1m25 and I could not break the 1m27 barrier.
He had a few 'moment' when the Contis started to 'let go"
The BT45's were their usual solid selves.
Max took out the R90 which he had never ridden and got a respectable time of 1m34 and even got to pass some bikes.
Later in the day he rode the R90s, I don't know the times as yet.
He might chip in later but hes comments were along the lines of:
The floating Stainless Steel brakes of the R90s take a few moments to 'bite" over the cast iron on the R90.
The R90s was faster. ( 32:11 FD)
The R90 was slightly better at the low end. ( 33:110
At high speed the fairing was good on the R90s, and no head shaking at what was probably 190/200 kmph.
Max's best time on the R90 was 1m29.
Glad he's sticking to sidecars :d
Difference is probably the R90/s has bigger inlet ports with 38mm carbs and the R90 is the smaller ports with 36mm carbs.
Adrian had bought some Avons for next time.
I need bigger nads...:huh
A great day was had by all.
I have decided not to build up a larger engine and develop the $250 one a bit more. Looking at the Dirk ideas of machining down the cylinders, putting some squish into the original R90 pistons, and fitting the R80GS D port heads maybe with a bit of port work by someone who knows what they are doing.
Had quite a few spectators asking about them, as BMW's are probably the cheapest entry to pre 76 classic racing here...but wire wheeled ones are getting harder to find for under 5K.
Good to see you guys enjoying yourselves!
I was a bit busy this time to take any pics.
HMCC ran a couple of awesome meets.
We had cross entered our slugs into the back of Clubmans B, but that got canned by the rules..... oh well, gave Maxheadroom who has crossed to the dark sidecar side a chance to ride a solo .
We went for some racing this past weekend, too.
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Cool Clip, its a lot of of fun thrashing old bikes around a track.
Barry Sheene Weekend coming up labour weekend. The Aussies are coming.
Been busy getting the house ready for sale so the big plans on the BMW got scaled back.....to a Shorai battery and swapping out the musical Commando pipes for the original 2 into 1.
Took it for a spin up and down the road, seems to work ok.
Heres a pic with its Kuzzy Bro the R90/6.
You would not know they are virtually the same bike riding them.
I wonder how Winnot the Triumph is going
I put the full fairing back on, the horrible 2 into 1 and a Shorai battery and went off to the Barry Sheene weekend.
I entered in 2 classes, Pre 72 and Open Post Classic.
A new mate of mine off the Commando forum organized hiring a covered pit and we had a full on shop coffee machine, toasted sammy maker and even GPS track timing and graphing on smart phones.....fancy eh?
Adrian had his R90/s and Mike was on his recently completed 850 ( TT gearbox too)Commando, Paul had to work, Max Headroom and his missus were entered on a Honda 1000 Sidecar.
The Aussies were here in force for the trans Tasman Series, and the next thing I knew was I was on the team representing NZ. They matched you up with a similar riders qualifying times....
I ended up with Ben from Queensland on a CB350 running on methanol :huh
Oh well I thought and easy 8 points for the Aussies....
however...... two DNF's and a stuffed top end changed all that.
I felt sorry for Ben coming all that way, should have brought a Bavarian Tractor.
Adrian now leaves me waaaay behind and has become a Norton botherer.... at laps of 1.24, to my 1.28.
The BT45s as good as they have been are now being retired in favour of race Avons.
Weather was mint, my most fun was in pre 72 battling it out with the CB 350s and F3 bikes.
Nothing beats taking a Japper on the outside of a corner on a BMW, then they pass you on the straight and you go around them again
Did a bit of head scraping, I might go to supercheap and get some curb spring things for the heads...
Max got some good times on the sidecar, and even got the wheel in the air and a 360 on the track.
One....I was entered in 2 classes and never got around to it, I have some coming this week.
Mike Hamiltons very tasty Norton with 65 BHP.....I never saw him
I need a more powerful motor
Does a 65hp Norton = hand-grenade with loose pin?
no, the reason they had a bad rep was poor assembly, ball bearing bottom ends that did not like the flex you get with the crank.
Of course the more power you get the less Norton parts are used.
He has made me look at motor #2 for the beamer.