Also check out our 6.7 Cummins Tool Steel Wrist Pins: Wrist Pin Bushing, 0.908 in Inside Diameter, 0.972 in. Never again. For hi-perf/ racing honed O/S for press fit bronze bushing then honed bushing for tight slip fit. clean, then press the bushing back in. I'm sure that if I got the right part it would be great just like all of Jim's tools are. Make a true bore in it at wrist pin height a little smaller than the original pin to give a smooth shake free fit on a piece of straight rod. Stock wrist pin bushing are .895 OD according to HD. 8pcs Reamer Set, HSS H8 Straight Shank Chucking Machine Cutter Milling Reamer Kit 3/4/5/6/7/8/9/10mm, Shankly Bushing Removal Tool, Bushing Driver Set, 50 Piece Seal Drive Set. Full content visible, double tap to read brief content. If the rod features a floating pin design, also inspect the condition of the bronze bushing. and save yourself alot of work. This is very important on a toyota engine. There was an error retrieving your Wish Lists. Some wrist pin bushings will require a small amount of ball honing to give specified fit (see H-D manual for specifications).. Can be used with rods in or out of the motor. You have to keep the rod bore exactly parallel to the crankshaft while you do it. All told, replacing pin bushings is not a simple job and you are well advised to take your rods to an automotive machine shop. Basically a very snug slip fit for an oiled wrist pin. Please try again. International BD264 Gas & LP Piston Pin Bushing, 70012. I can still get a new wrist pin and bushing, but the cast iron connecting rod is no longer available new and I have not been able to find a NOS or a used one so far. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. They are set up to do this job with all the tools and measuring equipment and can hone it out to a .0001 (and yes, rod end clearances are a matter of a few ten thousandths) with ease. Not good when your tring to earn a living. Can you do that in your shop? Complete wrist pin bushing press kit. Grab, stick, go off centre, and that's after setting up a jig to keep it in line. PISTON TO CYLINDER FIT IS CRITICAL. Part Number: ESP-B927-1 Not Yet Reviewed im betting on the rod is dirty, or out of round, or not bored straight from the factory. If it is new maybe you will have to ream it. These have controlled expansion, not spring loaded. Our payment security system encrypts your information during transmission. Our D&J Precision Machine branded 5.9 Cummins Tool Steel Wrist Pins come in a complete set of 6.. Dimensions. press out the bushing, and lightly hone the rod. Top subscription boxes – right to your door, © 1996-2021, Amazon.com, Inc. or its affiliates. Used to ream wrist pin bushings to the proper inner diameter. I accidentally damaged the wrist pin bushing while driving the pin out in disassembling the top end recently. Reams wrist pin bushing to H-D specifications, Made to exact tolerances and piloted to locate on the I.D. you need to move on the honing. mu-07517: adapter for torque wrench 3/8"drive,uw hand wrenches or allen wrenches mfg#08-0380 Don't spend time making a fixutre that's dedicated to a single size. Jason told me they could not ship out another one without receiving the wrong one back, OK. At the same time if they bushing is reamed to fit it might feel pretty tight yet it's really quite loose. Also my name is Grover Everett not as it's coming up under by wife Bonnie. im betting on the rod is dirty, or out of round, or not bored straight from the factory. PISTON INSTALLATION 2.) Made in the U.S.A.. Please try your search again later. The Wrist pin bushing is .950 OD and .750 ID the bushing is pretty thick at .125. But the most common way these phosphorus bronze bushings are sized is with a Sunnen connecting rod hone. Can do, clearance 0.0002- 0.0004". My suggestion is to install a steel bushing in the small end if the rod. Befor you do any transactions with Powersport Superstore I hope you get the right part because if not..oh boy. If it cuts through the oil film, you will be into metal to metal contact and all that implies. There is also a tool for cutting Circlip groove in pistons. Using the rod as a reference you should be able to get the piston aligned so you can re-bore the wrist pin holes in the correct position. I'm trying to rebuild an engine and I installed some new wrist pin bushings in my connecting rods. This page was generated at 07:03 PM. I believe the rod is typically changed at that time. Interchanges 3043611R1. The final sizing would be smaller then the wrist pin thus the term "press fit". Without a jig to guide the reamer. Your recently viewed items and featured recommendations, Select the department you want to search in. THE ARROW ON TOP OF A PISTON SHOULD POINT TOWARDS EXHAUST SIDE OF CYLINDER AFTER INSTALLATION. So for pin clearance in rod eye bushing: .8593 (larger spec given for a pin) + .0005 (clearance)= .8598 But if the bushing ID is to be .859375 than that makes for no clearance. I had to take it to another shop so they could ream it for me. get u a brake cyl hone, n a drill press. Now I was working on a customer's bike that I tore down to do a top end on, which was his only means of getting around, how do you think this customer feels about me now. These reamers are made to exact tolerances, piloted to locate from the I.D. The wrist pin must fit the pin bushing within .001"or less or it will rattle like crazy. The old bushings were bronze-colored. It's important...if the bore isn't parallel, the oil film is going to be compromised when the engine is running. bushing tool J&P 910-157 and they can get the ream but you are looking at about 200.00 for both. They could be accurately sized with a Lisle Small Bore Hone or similar tool. Posted: Fri Mar 09, 2012 9:13 am Post subject: Re: wrist pin wont fit in new bushing in rod: get u a brake cyl hone, n a drill press. Help others learn more about this product by uploading a video! If out-of-round, resize the small end (hone round, install a bronze bushing and hone to size). All times are GMT-5. ( But even my old HD 45" only used .001 press fit on the wrist pin bushes in the rods, so I really am wondering about this.) If signs of galling or other damage are present, replace the bushings. Sunnen also has a process that adapts their pin hones to burnish wrist pin bushings to size. I told him that now we're looking at a 2 week turn around and that was not acceptable. Made in the U.S.A.. “We always press out the old piston-pin bushing and install new ones. I offered to go to the post office, ship it and then call them back with the tracking number, couldn't do that either. Since I have a drill press and mini-lathe, I wondered if there was a way to do this myself. Top of the wrist pin doesnt have a bushing. I would suspect that you have more than one problem here. Hello, I'm in the process of rebuilding a Honda motorcycle engine from the 1960s ( CB 77 / 305 Superhawk) and need to have the wrist pin holes reamed from a nominal 15 MM to 15.1 MM. This happened on disassembly. But that is only half the battle. press out the bushing, and lightly hone the rod. FOLLOW ADVISED CLEARANCES GIVEN ABOVE FOR BEST RESULTS. You can't tell by feel how the wrist pins are fitted. Outside Diameter, 1.075 Length, Bronze, Chevrolet, Each. Yes requires being sent out and done. But the most common way these phosphorus bronze bushings are sized is with a Sunnen connecting rod hone.