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I've been running Rotella T6 Syn 5W-40 diesel engine oil in all my vehicles for over 5 years. It's made by Shell and is pretty cheap ($20 per gallon when on sale). The oil is not a true synthetic but it works perfect for me and as long as I change it every 3K in the bikes and 5K in the...

Thank you so much everyone! :D

Thank you sooo much!!!!! I really appreciate it.

The bike is a 1980 xs400 SOHC. Yeah my problem is the camshaft can go on one of two ways. If it is put on wrong it will be 180 degrees off and the exhuast vavles will open before the intake. I have looked all over the camshaft for any marks or something to designate which of the cam gear...

any ideas if I am on the right path??

A buddy of mine had a bike that would randomly blow fuses, turn off, etc... The problem was traced to multiple wires which had been pinched. Basically his entire wiring harness had to be checked until the found all the issues. After the wires were replaced, the bike ran perfect with no more...

Radial = HORRIBLE to maintain. Trust me you do NOT want to own one unless its just for a trophy to look at.

4-stroke = Suck, Squeeze, Bang, Blow (now you will no longer have a memory issue on this one ;) ) You forgot to add Jay Leno's Jet powered bike to the fun list ;) There's also WW1 airplane rotary engines which were NUTS!!! (The Wankel rotary is different)...

bump da bump

image of the raised bump I am talking about:

is this the small raised bump on the edge of one end of the camshaft? On the points side of the camshaft to be precise.

So I am rebuilding the engine and I am at the point where I need to install the camshaft. I have read every thread, topic, and manual entry on how to do this and I am still confused as to what/where the "pip" is on the camshaft in the following sentence: Insert camshaft so that the bolt-hole...

I'll try heat and bend tomorrow :) thank you. Any suggestions on the front fork lowering?

Part 1: So during the rebuild of the xs400, I have a great opportunity to lower the forks as the engine is removed. I read in some other posts, you just unclamp the fork tubes and slide the triple tree down. I attempted this yesterday and much to my dismay, the top of the fork tube where the...

I beleive the extra $18 is worth never having to kickstart my bike.

Think of it as insurance when the bike is sitting during the winter. Increased capacity, CCA, and starter reliability for just a few dollars more. Seems like a win to me.

would this battery fit in the xs400? 220CCA of sealed AGM power vs the stock 165CCA!! :D Cost is $72 shipped vs stock $54.81(shipped with acid) Length: 5 1/4" Width: 3 1/2" Height: 6 9/16" http://www.batterymart.com/p-Big-Crank-ETX15L-Battery.html?Category_Code=yamaha-xs650-battery

hmmm, great idea there!! use the screw to exert force and cleanup the hole!!

So things took a turn for the worse over the last week. I was able to get her running and then after a short trip the bike would not start and run at all. I performed a compression test last night and the left cylinder is shot. 80psi on left 120psi on right. (that explains why the right...

Thanks OnePhate, I am in contact with him now. So last night I pulled apart 2 sets of identical year/style carbs XS400SE aka Mikuni BS 34 III aka 4G5 version with the goal of getting one working set. Set A(which I found in my spare parts bin) was a horrible mismatch of parts though it was...