TESTING THE XR'S ONLY XR650 PIPE
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- Опубликовано: 12 апр 2022
- THE MANIC MECHANIC IS BACK AND REVEALS THE TRUTH.
We like their muffler, but the header did not perform.
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I love these videos of the dyno runs and parts upgrades to see if their actually worth the money 👍✌️
This guy builds absolutely awesome engines and I'd trust him any day to build me a bulletproof engine, top quality work indeed
Love Al Baker and his contributions to the XR community. But yes for me , and 99 percent of 650l riders, the stock headpipe is much more usable. Thank you so much for doing an objective comparison and having the integrity to post. I have a 2008 xr650l in need of a freshening up. Ill go thru it this year and do chassis and brakes then find a good mechanic to do the valves and maybe carburetor swap. Thanks again Team Kaplan for doing the good work. Btw, love the gary Nixon jacket...legend.
So I also found if you do a little grinding on the inside flange of the stock header,it flows equally as well as any aftermarket header.thats why I didn't waste my money on one.i took the heat shield off and did a header wrap,which dropped the engine Temps by 50 degrees. The difference is how close the header is to the oil lines.
Would love to see this done with the FMF power bomb header and see what the outcome is.
Good report.
Now I know to stick with my XR 400 Stock header pipe, and save burning my leg at the same time. Awesome build by Jeff. Long live the XR'S. God bless.
thank you so much for doing this video guys!!! i have a 98 XR that is a 675cc kit , hot cams camshaft, ported head with a bit of a bump in compression to 9.25:1and a factory carb re jetted, it ran 39.8HP and 36.5TQ on the chassis dyno here in Edmonton Alberta. I was always curious what a header would do, and that solved it for me!! as a road and trail bike i do not want to loose any torque down low... that is where the engine lives 2000-4000 rpm all day long in 2nd and 3rd gear! you guys rock keep up the awesome content!!!
When I put the fmf powerbomb header and q4 muffler on mine with the fcr pumper carb it definitely felt more powerful
I'd bet the fmf power bomb clone headers would make more bhp lol and they dirt cheap on ebay , I think its time you upgraded the carb to a mukini tm40 or mukini tm 42 to wake that motor up with a decent performance filter and drill some holes in the air box door it will get more torque and bhp ... the older XL600r ran big bore headers than were same diameter as the old fmf power headers before they went with the power bomb design.
Hard to beat a lot of stock components.
I just paid $1520 for a full Staintune exhaust system.,, (stainless steel, tuned ).. Australia..
Finally someone doing a real world test that the real people who have these machines want to know.
Hell yea jeff is back hope he getting better . Been watching this and it is so good to see it confirmed with dino 👍. I have a xr600r and changed the whole pipe and i had my suspicion’s ! This was great to see , my stock header pipe was rusted through so i did not have much choice . The pipe i found is a
I went crazy on building that motor also. Big extended cooling fins, valves, porting, rod, 683cc, same pipe as yours, 2 oil coolers (sutton and vintage big lockhart), air intake mods. It did run very well. I never could solve the very hot oil temp problem out here in the desert at hwy cruise speed, always suspected the stock headpipe made it run snappier. Your dyno test confirmed that. I was told to go FMF on the pipe. Never did. Should have kept the bike but like a dummy I sold it. Now wanting to do another and just take it easy on hot hwy runs. They really do run great with some work. Thinking 9.5:1 big bore, headwork, titanium valves, stock cam, fmf, Sutton cooler, airbox mods, (extra snorkels on top), barnett clutch, aluminum frt sprocket, fork brace. Sweet machine. Hard to beat. My previous one is in the coso vids on my channel if you want to hear the snap down low. miss it. Great vids as usual! I learned good on this series. Also used to race an 86 cr500 at friday night mx Ascot Park, Gardena.. good times, just sayin, can relate. Thanks!
I've owned a few 650l"s..
Amazing that Jeff is back, he is an absolute honour to watch and learn from! Need to swap the stock carb now for a 40mm FCR carb now and smiles will go through the roof!
Beautiful. ALOT of work went into this testing. Thanks to you both for the passion to test things for bikes for us. Waste of money buying this exhaust pipe. Stock is better in this case. Well done guys I love watch your passion at work
Love seeing Jeff back and going through a few minutes of the College of knowledge.👍
Right on with an honest review!!! You could seriously get a lot more views/subscribers testing all the Moto performance parts out there than giving your honest reviews like this!