Search found 74 matches

by jimstravlin
Wed Oct 28, 2020 4:42 pm
Forum: Tools, Tips and Techniques
Topic: dimensions for needle bearing
Replies: 1
Views: 115

dimensions for needle bearing

I am looking for the dimensions of the final drive needle bearing on the pinion shaft for the /2 final drives BMW # 33123038245. Is there a number for this needle bearing and can I order it thru a bearing parts house... Jim
by jimstravlin
Sat Sep 26, 2020 8:04 am
Forum: Vintage (1948-1969) Motorcycles
Topic: Bike wobble due to grooves in freeway
Replies: 15
Views: 2233

Re: Bike wobble due to grooves in freeway

Sounds like steering head bearings need tightening. This has little to do with the damper. I would start by installing a pair of tapered roller bearings and get a good adjustment on the new bearings. If you have the tapered bearings already I would check the adjustment...
by jimstravlin
Wed Sep 09, 2020 10:36 pm
Forum: Vintage (1948-1969) Motorcycles
Topic: R51/3 one carb will not idle down
Replies: 13
Views: 893

Re: R51/3 one carb will not idle down

Thanks all for your help. Nothing really worked till i pulled the insert 13110039128 Insert Bing 25-050-5 (Nr. 5) out and it came out in 4 pieces. Serious air leaks around the needle jet where it screws into the Bing insert piece. As long as the piece was screwed into the carb body all appeared to b...
by jimstravlin
Mon Aug 24, 2020 6:52 am
Forum: Vintage (1948-1969) Motorcycles
Topic: R51/3 one carb will not idle down
Replies: 13
Views: 893

Re: R51/3 one carb will not idle down

Thanks all... I have tried all of these suggestions, still looking.
by jimstravlin
Sun Aug 23, 2020 8:47 am
Forum: Vintage (1948-1969) Motorcycles
Topic: R51/3 one carb will not idle down
Replies: 13
Views: 893

Re: R51/3 one carb will not idle down

Idle mix screw is at the bottom with no pressure on the slide, slides sitting on the bottom of the carb body
by jimstravlin
Sun Aug 23, 2020 7:04 am
Forum: Vintage (1948-1969) Motorcycles
Topic: R51/3 one carb will not idle down
Replies: 13
Views: 893

R51/3 one carb will not idle down

I am finishing up a 1953 R51/3 and I can not get the left hand carb to idle down. The slide is on the bottom of the carb body, I have checked and re-checked all internal parts which are all new. The body has been cleaned in carb cleaner 2 times, plenty of free play in the cable, all internal passage...
by jimstravlin
Tue Aug 18, 2020 10:07 am
Forum: Vintage (1948-1969) Motorcycles
Topic: Installing a 12 volt battery question
Replies: 7
Views: 518

Re: Installing a 12 volt battery question

Motobat MBTX12U I use them in all my /2 restorations... good fit, long life... jim
www.airheadrestorations.com
by jimstravlin
Thu Jul 02, 2020 9:18 pm
Forum: Vintage (1948-1969) Motorcycles
Topic: Mikuni Adapter on a Cool /2 Custom.
Replies: 16
Views: 1293

Re: Mikuni Adapter on a Cool /2 Custom.

Sudko in CA sells the Amal to Mikuni adapters. you can also get them thru Rocky Point cycle...
by jimstravlin
Sun May 17, 2020 10:36 am
Forum: Vintage (1948-1969) Motorcycles
Topic: R68 headlight bucket
Replies: 1
Views: 205

R68 headlight bucket

Does the R68 use a dished headlight bucket...
by jimstravlin
Sun Dec 15, 2019 11:28 am
Forum: Vintage (1948-1969) Motorcycles
Topic: Question on Charging system
Replies: 11
Views: 623

Benchmarkworks 12 volt system

I have to say that the 12 volt charging system from Benchmarkworks is a real bullet proof system and I have installed it on 90% of the bikes I have restored from a 1952 R51/3 to the 1969 R69S and never had a problem. Hardest part of the installation and the part of the process that takes the most ti...