138LikesO.S Engines thread
04-30-2018, 10:01 PM
#2476
Suspended
New to OS engines, How you doing? Got a used OS Speed XZ-B That needs a rebuild, P+S+R, what are my options here, I see Speed, Speed II, Speed III, what will fit in this block? everything else is good, bearings, crank, carb, might as well save it, Thanks, JT
05-01-2018, 07:14 AM
#2477
Hello Toadskins,
After checking the parts list of O.S. Speed XZ-B, unfortunately it has a different Piston and Sleeve Part Number than XZ-B Speed II. It is almost a different engine through out, besides the Piston Sleeve, XZ-B Speed II has a different Crankcase, Crankshaft, and Con-Rod as well.
So, I would suggest You to try to find XZ-B Piston and Sleeve for Your engine.
Cheers..
After checking the parts list of O.S. Speed XZ-B, unfortunately it has a different Piston and Sleeve Part Number than XZ-B Speed II. It is almost a different engine through out, besides the Piston Sleeve, XZ-B Speed II has a different Crankcase, Crankshaft, and Con-Rod as well.
So, I would suggest You to try to find XZ-B Piston and Sleeve for Your engine.
Cheers..
05-02-2018, 06:29 AM
#2478
Suspended
So, found a P/S, no rod, anybody got a os part number that will work for a speed xz-b, these speed rods all look the same, with different numbers. Just want to rebuild this one time. Thanks, JT
08-29-2018, 04:31 PM
#2479
Bump, im looking for a spec 1 xzb speed / vzb speed rod as well.
Last edited by Jowers; 08-30-2018 at 08:41 AM.
09-02-2018, 08:32 PM
#2480
It's a VZB Speed with XZB spec II case
nevermind, I just saw, you need the rod for a XZB, not sure what I suggested would work now.
09-02-2018, 09:21 PM
#2481
That might work if it's an actual vzb speed rod, as those have the same part number as xzb spec 1.. are there any other variants of the vzb speed still being produced by OS for another company?
Also, is that the original samurai or v2?
Also, is that the original samurai or v2?
09-02-2018, 11:14 PM
#2482
The only difference between the V1 and V2 Samurai is the carb. The V2 has the 22c carbs
10-24-2018, 07:59 PM
#2484
Hello Charles Godwin,
In my finding, OS AD21 Adam Drake Edition has a better low bottom torque delivery. Where Spec 2 seems to have a very "little" bit of lag on bottom power delivery. If You are aggressive on throttle than You will not notice the difference, but if You are smooth on Throttle then You will notice that in a specific condition. Spec 2 will give a tiny bit more top end.
Cheers..
In my finding, OS AD21 Adam Drake Edition has a better low bottom torque delivery. Where Spec 2 seems to have a very "little" bit of lag on bottom power delivery. If You are aggressive on throttle than You will not notice the difference, but if You are smooth on Throttle then You will notice that in a specific condition. Spec 2 will give a tiny bit more top end.
Cheers..
11-02-2018, 06:47 AM
#2485
Tech Initiate
On the worlds pictures they spotted a new Speed B2103 engine. Interesting. https:// galerie.circusrc.com/Worlds-2018/i-5ZT5zZp/A
11-05-2018, 12:37 AM
#2486
Tech Regular
Trying to find out more about the B2103...
11-05-2018, 01:04 AM
#2487
Tech Regular
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sent them an email and were told that the b2103 will be released next year! The b2103 type S (3 port) January and the type R (multi port) February both will be released as engine only and as a pipe/engine combo.
11-27-2018, 12:18 PM
#2488
Tech Apprentice
I am having some issue with my 110% 21 xz-b spec 2. Will not hold a consistent tune. and once it gets low on fuel it cuts out. pulled carb apart everything clean. replaced front bearing, tank, fuel line, and plug. same tuning issue. The rear bearing is noisy going to replace that next. I used drakes settings as a base.... still have a tuning issue. 7mm insert and 25% byrons. any help would be appreciated thanks
11-27-2018, 02:40 PM
#2490
I am having some issue with my 110% 21 xz-b spec 2. Will not hold a consistent tune. and once it gets low on fuel it cuts out. pulled carb apart everything clean. replaced front bearing, tank, fuel line, and plug. same tuning issue. The rear bearing is noisy going to replace that next. I used drakes settings as a base.... still have a tuning issue. 7mm insert and 25% byrons. any help would be appreciated thanks