The New And Improved Unofficial R65 Forum V2
Technical Discussion => BMW Technical Q&A, Primarily R65 => Topic started by: gummykuh on November 27, 2011, 11:07:11 PM
-
Hi R65 afficionatos!
Am new to the forum - so, hi everybody!
I recently shipped my '84 R65LS over from Germany. It had been in storage for 8 years but started up pretty much right away and after replacing some minor parts she seems ready to go.
The bike has had a power restriction put in by the previous owner. Probably because vehicles are taxed according to horsepower in Germany. The power restriction is noted in the German title.
Before I get a new title here I have a couple questions that hopefully someone here has an answer for:
1. If I take the power restriction out (just a ring in the carborator as far as I know) do any other parts have to be upgraded for the higher power?
2. Is the DMV going to care about whether or not the bike has power restriction?
Thanks for any advice!
Joerg
-
Welcome Joerg
Is this an after market power restrictor or the original low power 27HP model for the european market ? I never heard of a 27 hp LS though.
The carb size will tell you. 32mm carbs means it's probably an aftermarket restrictor which should be easy to remove. Usually just an orifice ring in the inlet tract. If the restrictor is actually inside the carb itself then maybe jet changes are also needed. It should be easy enough to check your jet sizes and compare them with what they should be.
If the carbs are smaller (I think 26mm) you have a 27 hp model which besides the carbs has lower compression and smaller valves. A lot more work and expense involved to get the power back.
-
The DMV won't care the least bit about it .
One thing you may not be aware of, in the Phoenix and Tucson metro areas, even motorcycles are required to undergo an exhaust emissions test .
Also, if the foil sticker on the lower right frame tube is not legible or missing, you may have problems getting a title in Aridzona, the vehicles VIN is nowhere else on the bike, usually only the last seven characters of the VIN are stamped into the gusset at the steering head .
-
hi barry,
thanks for the infos!
it is an after market power restriction. it is noted in the german title as
'POWER LIMITATION THROUGH ONE REDUCTION APERTURE (DIAMETER 22.5mm) EACH PER INTAKE' (my translation).
the title states the bike as having 25kW (~33hp?).
i'm not sure about the carb size right now. will have to check.
joerg
Welcome Joerg
Is this an after market power restrictor or the original low power 27HP model for the european market ? I never heard of a 27 hp LS though.
The carb size will tell you. 32mm carbs means it's probably an aftermarket restrictor which should be easy to remove. Usually just an orifice ring in the inlet tract. If the restrictor is actually inside the carb itself then maybe jet changes are also needed. It should be easy enough to check your jet sizes and compare them with what they should be.
If the carbs are smaller (I think 26mm) you have a 27 hp model which besides the carbs has lower compression and smaller valves. A lot more work and expense involved to get the power back.
-
hi bob_roller,
i had to fill out some paper work for shipping. one form was regarding emissions and according to that the bike would be too old to require emissions testing. are you sure it will still require it in Tucson?
regarding the VIN: it has a 7 digit number stamped in the frame and the title lists the same number. do you think there should be a longer VIN? since it is not nted in the german title, I guess I would have trouble coming up with one...
joerg
The DMV won't care the least bit about it .
One thing you may not be aware of, in the Phoenix and Tucson metro areas, even motorcycles are required to undergo an exhaust emissions test .
Also, if the foil sticker on the lower right frame tube is not legible or missing, you may have problems getting a title in Aridzona, the vehicles VIN is nowhere else on the bike, usually only the last seven characters of the VIN are stamped into the gusset at the steering head .
-
Power restrictors are foreign to us over here in the US, so you'd have to show us what it is before offering any advice. But it does sound like some sort of restrictor to block airflow throught the carb.
As for Tucson and their smog testing, I have no idea what will be required, but if the bike is running all right, it should be fine. They may require the pulsed air system be installed, but perhaps not. But if Bob says smog testing is mandatory for bikes then that's how it is - many places don't do emissions tests on cars or bikes, where I live bikes are exempt. Just depends on the local rules.
As for the DMV, that's a whole different matter - everywhere there's hoops and hurdles to jump over or through - like we're a bunch of circus animals.
-
33hp is a European max. limit for riders with less than 2 years experience. Riders can buy a big bike after passing their test if it's restricted to 33HP and then remove the restrictor rings after 2 years (and not before heaven forbid).
Sounds like you are in luck. I'd just take them out and see how it goes.
Before passing the compulsory test Learners in the UK are limited to a 125cc engine with a max. of 12HP. A young friend of mine bought an Aprilla RS125 2 stroke restricted to 12HP. After removing the restrictor kit, which was a lot more involved than just rings, the bike made 33HP at some crazy high revs. That's some output from a 125.
-
33hp is a European max. limit for riders with less than 2 years experience. Riders can buy a big bike after passing their test if it's restricted to 33HP and then remove the restrictor rings after 2 years (and not before heaven forbid).
Sounds like you are in luck. I'd just take them out and see how it goes.
Before passing the compulsory test Learners in the UK are limited to a 125cc engine with a max. of 12HP. A young friend of mine bought an Aprilla RS125 2 stroke restricted to 12HP. After removing the restrictor kit, which was a lot more involved than just rings, the bike made 33HP at some crazy high revs. That's some output from a 125 although I recall he seemed to spend a lot of time with the engine in bits.
-
Hi Gummy. Emmisions are required on all vehicles manufactured after 1967 in the Phoenix and Tucson metro areas. They go back to 1966 in California.
-
Unless you have collector vehicle insurance and Historic Vehicle license plates, an emissions test is required .
The VIN needs to be 17 characters, it's been this way in the US for about 40-45 years .
I think you have a bit of work ahead of you with the MVD .
-
No, the 17-digit VIN didn't become standard on motorcycles in the USA until either 1978 or 1980. But, if a motorcycle is newer than that date, it must have that 17-digit VIN, which begins with "WB" for BMW motorcycles.
Digits 1,2,3 are World, Manufacturer, Identifier
Digits 4,5,6,7,8 are Vehicle descriptor Section -- *Somewhat variable based on manufacturer.
Digit 9 is the check digit
Digit 10 is the Year code
Digit 11 is the Factory code
Digits 12,13,14,15,16,17 are the Vehicle Identification Sequence
First digit - Country code
U.S.A.(1 or 4), Canada (2), Mexico (3), Japan (J), Korea (K), England (S), Germany (W), Italy (Z)
Second digit - Manufacturer
Audi (A), BMW (B), Buick (4), Cadillac (6), Chevrolet (1), Chrysler (C), Dodge (B), Ford (F), GM Canada (7), General Motors (G), Honda (H), Jaguar (A), Lincoln (L), Mercedes Benz (D), Mercury (M), Nissan (N), Oldsmobile (3), Pontiac (2 or 5), Plymouth (P), Saturn (8 ), Toyota (T), Volvo (V), Suzuki (S), Kawasaki (K).
Third digit - Identifier
Motorcycle (1 or A) Kawasaki and Suzuki seem to follow this anyway
Tenth digit - Year Code
80(A), 81(B), 82(C), 83(D), 84(E),
85(F), 86(G), 87(H), 88(J), 89(K),
90(L), 91(M), 92(N), 93(P), 94(R),
95(S), 96(T), 97(V), 98(W), 99(X),
00(Y), 01(1), 02(2), 03(3), 04(4),
05(5), 06(6), 07(7), 08(8 ), 09(9) ( Don't know what happens after that )
Eleventh digit - Factory Code
Manufacturer code for what plant it was built in
Twelfth to Seventeenth digits - Serial Number
The DMV of various states have different requirements for VIN number verification or assignment - so depending on where you are wanting to register the motorcycle, the number of hoops you have to jump through may vary.
-
I guess the tag in the attached picture is the one you are refering to?
The picture is sideways for some reason...
'F.-Nr.' should stand for 'Fahrzeug Nummer' (vehicle number).
In the silver field (unreadable in the picture) it gives the same seven digit number as stamped in the frame just below it - which is the number in the title.
Do you think that will help?
I will check with the local BMW motorcycle dealer what they think is the best way to get it registered.
The DMV won't care the least bit about it .
One thing you may not be aware of, in the Phoenix and Tucson metro areas, even motorcycles are required to undergo an exhaust emissions test .
Also, if the foil sticker on the lower right frame tube is not legible or missing, you may have problems getting a title in Aridzona, the vehicles VIN is nowhere else on the bike, usually only the last seven characters of the VIN are stamped into the gusset at the steering head .
-
hi fastcataz,
I think - at least for cars - they stop requiring emissions here once it is 'historic', i.e. 25 year old. I used to drive an old stationwagon and they stopped requiring the emissions test when I got historic license plates - which you can get here once the car turns 25. I don't remember whether the historic license plates were required to stop the emissions requirement or not.
so, bob (i think wrote it) seems right on that to me. although, i did not need collectors insurance.
i used to have a R100S here ten years ago but don't remember what the emissions requirements were.
anyways, seems like the VIN issue will give me more headache then the emissions. she runs pretty smooth....
Hi Gummy. Emmisions are required on all vehicles manufactured after 1967 in the Phoenix and Tucson metro areas. They go back to 1966 in California.
-
At least for North American version bikes, there is/was a self adhesive foil sticker located just below the right cylinder on the lower frame tube .
I'm guessing that German domestic versions of the bike didn't have this .
At this point in time, you need to have collector insurance and Historic Vehicle license plates to be exempt from emissions testing. I've got four vehicles that are over 25 years old and they would still be required to undergo emissions testing if you don't have the plate and insurance .