Search found 16 matches
- Mon Jan 09, 2017 12:11 am
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
I ended up downjetting back to the original 38 pilot and throttle response and idle is a lot better. I maybe potentially have a small leak at the airbox neck as there's a lot of wiggle room between the neck and the connection into the airbox. Also, I've come across a new issue where the idle speed s...
- Mon Jan 09, 2017 12:00 am
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
The seals were replaced prior to the swap. I don't see any blowby near the seals.Meloshameless wrote:U could be getting an air leak from either crank seal as well, did u happen to check those?
- Thu Jan 05, 2017 8:03 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
Re read the post and a 45 pilot is huge on stock pb carburetor, unless....there is no air filter in the air box. Or it is not oiled properly. Did you positively cap off the pulse-port under the oil pump area? If it's leaking there then you have symptoms like you described earlier. I would do a 6-7 ...
- Mon Jan 02, 2017 7:30 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
Sounds like you have it nailed. I would check the compression on the cylinder just to be sure it is in range of good health. Also, what type/brand of oil and which grade of fuel are you using? Using Honda 2-stroke scooter oil on regular pump gas. I still feel like it's running lean at low/mid-range...
- Mon Jan 02, 2017 9:33 am
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
A few updates since my last post... I reinstalled the head gasket using the copper spray and the engine feels a lot more stronger throughout the entire power band. I also upjetted to a 78 main from the stock 75. A few days later, I decided to upjet the pilot jet also as I was never able to fully tun...
- Wed Dec 14, 2016 2:56 am
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
Jet kit is coming in the mail tomorrow along with the copper gasket spray. Thanks again guys.
- Tue Dec 13, 2016 7:21 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
I'm still running the factory cylinder; BBK in the distant future. Just enjoying the speed I gained swapping from an AF05E.1man8scoots wrote:Once you go aftermarket oem specs are out the window.
You always read the manual for the kit and follow the kits specs. Not factory specs.
- Tue Dec 13, 2016 7:19 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
I went into a small privately owned convenience store ran by a small Asian man that resembled Egg Chan from "Big Trouble In Little China". I purchased a Snickers bar that apparently had been sitting on the shelf for many years. The chocolate was sort-of a tan color, very dry and chalky. I...
- Tue Dec 13, 2016 2:27 am
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
The plug looked okay to me. Wouldn't the engine be running way hotter if it was leaned out? I can't get the engine hotter than 275F. Unless the CHT sensor is faulty..graphite9 wrote:that plug is WAY too lean.
Use permatex copper spray on both sides of the head gasket. Id do the piston and rings/hone.
- Mon Dec 12, 2016 9:02 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Re: Heat Seize at High Speed? CHT Sensor Leak?
Hopefully the new head gasket will seal it properly. Any suggestion on torque specs for the stock cylinder? I'm more concerned that 7ft/lbs is too weak.graphite9 wrote:head gasket leak. and looks like small cht leak too
- Mon Dec 12, 2016 8:37 pm
- Forum: Technical Help
- Topic: Heat Seize at High Speed? CHT Sensor Leak?
- Replies: 20
- Views: 11486
Heat Seize at High Speed? CHT Sensor Leak?
So to start off, I recently did an AF18E ZX swap into a Tact (Aero 50), all components are stock aside from a DD50 intake manifold (w/vacuum port to use with the fuel petcock under the seat), typical transmission parts, Daytona Racing CDI, 8-rated plug, and a CHT sensor/gauge setup. It's winter here...
- Wed Nov 02, 2016 9:16 pm
- Forum: Performance Technical
- Topic: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
- Replies: 12
- Views: 10357
Re: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
http://page17.auctions.yahoo.co.jp/jp/auction/v66661701 I may have located what I need on auctions. bonesz, by any chance do you know if the DD50 manifold will work with the original AF18 reeds? I haven't had a chance to take apart the stock AF18 manifold, but I figured you may have the short-answe...
- Wed Nov 02, 2016 2:55 am
- Forum: Performance Technical
- Topic: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
- Replies: 12
- Views: 10357
Re: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
http://page17.auctions.yahoo.co.jp/jp/auction/v66661701 I may have located what I need on auctions. bonesz, by any chance do you know if the DD50 manifold will work with the original AF18 reeds? I haven't had a chance to take apart the stock AF18 manifold, but I figured you may have the short-answe...
- Wed Nov 02, 2016 2:25 am
- Forum: Performance Technical
- Topic: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
- Replies: 12
- Views: 10357
Re: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
This is from another thread I posted in the for sale section. http://hondaspree.net/phpBB3/viewtopic.php?f=2&t=32842 I used an intake from a Sym DD50 scooter and that is an af28 Keihin carburetor/Dio air box. That vacuum port is factory installed. I have used a drill and tap on rounded surface ...
- Tue Nov 01, 2016 9:31 pm
- Forum: Performance Technical
- Topic: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
- Replies: 12
- Views: 10357
Re: AF18E Super Dio ZX swap on AF09 Tact (Aero 50)?
Might not be a good idea to do that. It could damage the Aeros' petcock it by doing so. My logic is, the Aero petcock only needs vacuum to operate it and that vacuum port has to be in place in front of the reed assembly (upstream). The fuel pump on the dio uses suction and pulse to operate and ther...