![]() |
Seem to have everything else but piston sleeve for the 5 port...
nothing on ebay |
Originally Posted by Bob-Stormer
(Post 10021909)
I had to look out of curiosity. that stuff is obscure.
Horizon lists the following: ORN81511 Cylinder and Piston Set, 7-Port Off-Road: CRF 21 ORN81828 Alpha 21 - Piston/Liner Set w/Pin 3 Port, Off-Road ORN81886 Alpha 24 - Piston/Liner Set w/Pin, 5 Port Off-Road ORN82147 CRF Alpha 21 - Piston/Liner Set 7 Port,Off-Road ORN82148 CRF Alpha 21 - Piston/Liner Set 3 Port Off-Road
Originally Posted by michaelfox
(Post 10022858)
Seem to have everything else but piston sleeve for the 5 port...
nothing on ebay |
Need a little help.
I've had an alpha .24 and now have a 2013 pipe. I've been running it on the oval and we run about 3 min races. I was pretty sure I had it tuned just right. I've been thru about 3 gal including break in. The problem came when i converted it back to buggy and ran my first off road last night with it. I made it thru 5 min heats no problem just a tad rich thru the night. All of the sudden about 8 minutes into the main it started stalling and just terribly rich. Pit guy leaned it a little and it got better for a lap but then back rich again. Leaned a little more and got better and finished the race but so down on power. Is this a common thing? I've never heard of anything Like that. I didn't get a chance to temp it after coming in so I don't know what its temping now. It was in the the 267 range before. |
Originally Posted by thorpe
(Post 10025179)
Need a little help.
I've had an alpha .24 and now have a 2013 pipe. I've been running it on the oval and we run about 3 min races. I was pretty sure I had it tuned just right. I've been thru about 3 gal including break in. The problem came when i converted it back to buggy and ran my first off road last night with it. I made it thru 5 min heats no problem just a tad rich thru the night. All of the sudden about 8 minutes into the main it started stalling and just terribly rich. Pit guy leaned it a little and it got better for a lap but then back rich again. Leaned a little more and got better and finished the race but so down on power. Is this a common thing? I've never heard of anything Like that. I didn't get a chance to temp it after coming in so I don't know what its temping now. It was in the the 267 range before. |
Can anybody confirm that 3port piston sleeve fits 5 port jared tebo edition?
|
I talked to guy at the local hobby shop I bought the motor from and claims it is most likely just now breaking all the way in. He said on oval 3 gals probably hasn't been enough to do it but offroad was. This sound legit? Air filter is still clean.
Originally Posted by thorpe
(Post 10025179)
Need a little help.
I've had an alpha .24 and now have a 2013 pipe. I've been running it on the oval and we run about 3 min races. I was pretty sure I had it tuned just right. I've been thru about 3 gal including break in. The problem came when i converted it back to buggy and ran my first off road last night with it. I made it thru 5 min heats no problem just a tad rich thru the night. All of the sudden about 8 minutes into the main it started stalling and just terribly rich. Pit guy leaned it a little and it got better for a lap but then back rich again. Leaned a little more and got better and finished the race but so down on power. Is this a common thing? I've never heard of anything Like that. I didn't get a chance to temp it after coming in so I don't know what its temping now. It was in the the 267 range before. |
Originally Posted by thorpe
(Post 10028574)
I talked to guy at the local hobby shop I bought the motor from and claims it is most likely just now breaking all the way in. He said on oval 3 gals probably hasn't been enough to do it but offroad was. This sound legit? Air filter is still clean.
|
Originally Posted by michaelfox
(Post 10028420)
Can anybody confirm that 3port piston sleeve fits 5 port jared tebo edition?
|
Originally Posted by ScottyM
(Post 10028663)
The symptoms you describe sound just like an engine dropping it's nuts.. I'd retune it and run it..
|
Originally Posted by michaelfox
(Post 10028420)
Can anybody confirm that 3port piston sleeve fits 5 port jared tebo edition?
On another note, the 7 port p/s is a BEAST :lol: Cody has been running one in his truggy. and I'm going to build another one because it was so good. :) |
Originally Posted by pitpop
(Post 10029351)
It won't fit. The diameter of the upper flange part of the sleeve is bigger than the 5 port sleeve. If you want to put a 3 port sleeve into your engine, it needs to be a 3 port from the start. I have no idea why they did that, don't kill the messenger.. :)
On another note, the 7 port p/s is a BEAST :lol: Cody has been running one in his truggy. and I'm going to build another one because it was so good. :) |
Originally Posted by ScottyM
(Post 10031644)
Hey Paul thanks for the update and fixing my mistake.. I really hope he didn't order a 3-port P/S on my word..
did not :cool: and dont need it now but may need it later. thanks |
Originally Posted by michaelfox
(Post 10032011)
did not :cool:
and dont need it now but may need it later. thanks |
my crf JTP worlds edition engine needs a new rear bearing .. i cnt find it in amain .. can anyone tell me if the werks or sirio or any lm bearing will fit this engine ? werks and orion are similar in size 14.2 x 25.3mm but i dont knw the width .. :)
|
Originally Posted by pravesh736
(Post 10039404)
my crf JTP worlds edition engine needs a new rear bearing .. i cnt find it in amain .. can anyone tell me if the werks or sirio or any lm bearing will fit this engine ? werks and orion are similar in size 14.2 x 25.3mm but i dont knw the width .. :)
They should be 6.3mm. I ordered two TKO ceramics in 25.3x14.2x6.3 for my Discovery engines. I hope to install them Firday afternoon. I'll let ya know if they work.. Bearing sizes should be the same for all the Alpha line of Orion engines. |
| All times are GMT -7. It is currently 03:15 PM. |
Powered By: vBulletin v3.9.3.9 Patch Level 3
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.