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07-18-2016, 10:25 AM | #1 | |
Join Date: Feb 2016
Location: George West, Texas
Posts: 4,097
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Quote:
Thank you very much for this info. I had visions that there were bearings going dry in there (like crunchy...mann). That sounds easy. I still am waiting for rear wheel assy so I will be sure to address that while it's disassembled.
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***************************************** 2015 Bashan"Blaze" BS250GY-31 (DB-07K-250) GONE 2017 Suzuki V Strom 650 XT "We are all born ignorant, but one must work hard to remain stupid." ~Benjamin Franklin~
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07-18-2016, 12:28 AM | #2 |
Join Date: Apr 2016
Posts: 79
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What is the perceived benefit to installing a Mikuni carb as opposed to simply re-jetting the stock carb? Are the venturis different sizes?
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07-18-2016, 10:11 AM | #3 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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I chose the Mikuni (thanks to Weldangrind) for a few reasons. One, when I bought my first one, it's a nicely done carb. Machining was superior to the PZ I took off. Mostly though because of the availability of jetting. I'll be measuring the carbs to compare and post my findings.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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07-18-2016, 10:02 AM | #5 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Yep... I'm just waiting for the carb and breather to arrive for this. I have a bucket on a scale and I'll tare the bucket weight prior to weighing for comparison. See if it's worth it for anyone else to try.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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07-18-2016, 11:10 AM | #6 |
Join Date: Mar 2009
Location: Sardis, BC, Canada
Posts: 25,977
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So cool! I haven't seen a teardown like this in some time.
A sideways H-shaped license plate holder might last longer and protect the plate better; an unsupported plate can crack. I can't remember - do you have a welder? The vacuum port on your intake tube would be very useful for tuning. A vacuum gauge can tell you a lot about jetting, valves, etc.
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Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer |
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07-18-2016, 11:16 AM | #7 | |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Quote:
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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07-19-2016, 10:10 AM | #9 | |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Like I said in a prior post, I had an old Yamaha swingarm pivot bolt rust in place, thanks to the creek I grew up on. It took a big hammer and an Ohio Speed Wrench to bash it out. It didn't make it.....but at least I could then replace it.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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07-19-2016, 10:18 AM | #10 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Smog
Last night wasn't too productive but I got some done. Work nights with our schedule make for short wrenching, especially Mondays.
After gutting the purge canister, air pump and all the other schmise, it was time to plug the head hole. I took some of that angle iron I made the Rhino hitch out of and cut a small piece for a plate. Luck would have it that it was just slightly thicker than the pre-existing piece so it all worked out. Some bench grinder and wire wheel work, a little high temp paint and viola! Plate. When I removed the original hose inlet, just a skin of the gasket came away with it so I put a light coating of high temp copper (header) silicone on the new plate and sealed her shut. No more smog!...and no worries about possibly baking the packing in my new muffler.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 Last edited by 2LZ; 03-27-2017 at 05:09 PM. |
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07-19-2016, 10:26 AM | #11 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Forks Fluid
I have to give it up to Zongshen for quality control on this one. Only on Q, have I ever had a CB that had the exact same amount of fluid in each fork. After draining each fork down to the "one drop per second" count, I was amazed at the results. 320 cc's from each fork. Of course, there's always about 10cc or so left behind so I just added 320cc's of my favorite Bel Ray 10W to each fork and called it done. FYI- the stock fluid seemed fair but had a funny smell. I'm glad it's changed.
Then, this morning I woke up thinking it would be a great disservice to our humble community here if I didn't attempt to repair the "leaky adjuster screw" some of us have. My right one has been weeping. I'll be looking at that tonight to see what I can see.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 Last edited by 2LZ; 03-27-2017 at 05:09 PM. |
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07-19-2016, 10:30 AM | #12 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Valves
As feared, like all other CG motors I've had, the valves from the factory were tight. The intake came in at about .02mm at the most, and the exhaust came in at about .04mm, max. It was a TIGHT .04.
As usual, I did .05mm on the intake and .08mm on the exhaust. No more worries.
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 Last edited by 2LZ; 03-27-2017 at 05:09 PM. |
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07-19-2016, 12:49 PM | #13 | |
Join Date: Dec 2015
Location: Coastal NC
Posts: 537
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CSC sent me a replacement cap to install so after I did that I dismantled the original one to find the o-ring with a section that was pinched off during the installation. I plan to rebuild it with a new better o-ring to keep as a spare.
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-whatever you do, just be awesome. - 2008 Kawasaki Versys - 2016 CSC TT250 |
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07-19-2016, 10:23 AM | #14 |
Join Date: Dec 2015
Location: CO
Posts: 1,525
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Check out this on the Watt-Man website, people are doing similar things to their KLR 650s... I'm sure grease fittings can get put on our China Bikes also
http://www.watt-man.com/uploads/ZerkInstallation.pdf
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"Think as you like... but this self proclaimed Professor is always right" - Buckshot "You never know what someone is hiding beneath their smile..." - NinjaTom - R.I.P. |
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07-19-2016, 10:33 AM | #15 | |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,084
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Quote:
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"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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