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Re: Z1R BUILD

Most of us who work alone come up with tools that make life easier. The lift finally got modified to also put the motor in without straining a muscle. Should have done it a long time ago. The final stage of the carbs was syncing the throttle slides. The adjustment is inside the top cover. I used an ...
by John H
Tue Jun 18, 2024 9:25 pm
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: BSA B50 ‘Gold Star’ 500SS

Happy bike, Happy rider. Have you changed the ignition yet? Getting back to the GS should be my next project, after the Vinnie is finished.
by John H
Mon Jun 10, 2024 7:06 am
 
Forum: General Discussion
Topic: BSA B50 ‘Gold Star’ 500SS
Replies: 3
Views: 1003

Re: Z1R BUILD

Carbs are in fairly good condition and after cleaning and vapor blasting they were disassembled. Jetting if a bit off for this motor and year so have to make a decision whether to test if first or go with manual's settings. Float needles show slight wear and probably ok as is but with a slight modif...
by John H
Fri May 31, 2024 4:55 pm
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: Z1R BUILD

Finally got the motor buttoned up and in the frame. The "C" jig worked perfect. First time I've installed on of these without sweating. It takes only one small tilt and twist then drops right in. Next phase is rebuilding the carbs.
Motor install.jpg
Motor install.jpg (286.21 KiB) Viewed 3270 times
by John H
Sat May 25, 2024 11:23 am
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: Z1R BUILD

Piston rings should arrive this week. The rotor was rubbing when I tried installing the dyno cover. Placing an indicator on the rotor showed a wobble of .005". I thought it could possibly be the taper bore of the rotor since it was pretty galled up before I lapped it in. Rotating it to differen...
by John H
Sun May 19, 2024 3:09 pm
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: DUMB JOKE FRIDAYS

torque wrench.jpg
torque wrench.jpg (284.45 KiB) Viewed 2936 times
by John H
Thu May 16, 2024 8:17 pm
 
Forum: General Discussion
Topic: DUMB JOKE FRIDAYS
Replies: 87
Views: 485990

Re: Z1R BUILD

Paint's dry so assembly starts with the crank and gearbox parts. Of course all the threaded holes have been chased and cleaned. assemble eng.JPG Once everything checks out the bottom engine case is ready to bolt up. assemble eng2.JPG Many of the early Z's and KZ's fitted the dyno rotor without a key...
by John H
Sun May 12, 2024 4:24 pm
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: Benelli 250 2C

Interesting that some other bikes attached these rotors without a key. The Z1R is the same and it causes real problems as the starter clutch bolts to the rotor.
by John H
Thu May 09, 2024 9:07 pm
 
Forum: General Discussion
Topic: Benelli 250 2C
Replies: 54
Views: 176149

Re: Z1R BUILD

Finally got some painting done. The crankcase on the engine stand worked great. I was able to stand in one place and paint while rotating the cases with the crank. I used Spraymax 2K which worked pretty good.
paint crankcase1.JPG
paint crankcase1.JPG (251.42 KiB) Viewed 3830 times
Paint crankcase2.JPG
Paint crankcase2.JPG (252.83 KiB) Viewed 3830 times
by John H
Sun May 05, 2024 9:48 pm
 
Forum: General Discussion
Topic: Z1R BUILD
Replies: 27
Views: 64394

Re: Benelli 250 2C

Sounds like you are sold on Vape ignitions. I have one on the 370 Pursang but don't have instructions for setting it up. Hadn't thought about a loose flywheel.
by John H
Sun May 05, 2024 8:37 pm
 
Forum: General Discussion
Topic: Benelli 250 2C
Replies: 54
Views: 176149
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