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Compression Tester Kit

i have an '85 honda XR250R that just stopped running, what other areas can i investigate to diagnose it?
while riding the bike just stopped, no wierd noises, just stopped running. stroking the kick-start is too easy, like there is no compression. I removed the valve inspection cover and they move as they should. i removed the side cover and noted that all gears are rotating, so the T-chain is ok. i pulled the spark plug and the piston moves up and down smoothly. I ordered a compression tester kit, and a boroscope (to see inside the combustion chamber through the spark plug hole) but they won't be in till the Snap-On tool guy delivers them in a couple of weeks. In the mean time does anyone have any suggestions as to new ideas or directions to pursue in diagnosing this issue? (FYI: the XR250R is a 4-stroke dirtbike)
Could be a holed piston.
A thumb over the spark plug hole will tell you if you have "some" or "no" compression.
"no" compression, without any accompanying clanks or clacks makes me think the piston has a neat hole blasted through it (from detonation).
However, it is a Honda. Never heard of them doing that.
Does this engine have the weird gizmo that lifts one of the exhaust valves when you kick it to make it easier to start? If that was stuck open that would explain it.
Seems like if the timing chain had slipped enough to cause this you would be hearing awful noises.
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![]() | Actron CP7827 - Compression Tester Kit | ![]() | ![]() | US $25.79 | 1d 4h 6m |
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| | OTC Compression Tester Kit - OTC5606 $69.79 MPN #OTC5606. OTC Compression Tester Kit. Most Shop Equipment products are available for in-store pickup from Advance Auto Parts. |
| | Star Products American Diesel Compression Tester Kit. 1 Kit $141.25 Manufacturer: Star Products. 1 Kit. Features Benefits: Includes Adapters 1 Thru 7 and Metal Box Customers also search for: Discount American Diesel Compression Tester Kit, Buy American Diesel Compression Tester Kit, Wholesale American Diesel Compressi |
| | Motion Pro Compression Tester $104.99 " Check cylinder compression to determine your engine's condition Includes hoses for use with 10, 12, and 14mm spark plugs Kit comes with a quick-disconnect with pressure release valve, 300 psi gauge and plastic carrying casel" |
| | Actron Compression Tester Kit - CP7827 $29.99 This Actron compression tester kit from detects worn rings, burnt valves and blown head gaskets. A push-button side release valve is included which allows repeated compression testing without disconnecting.Product Features:Quick-release hose disconnects from gauge for faster, easier useUses Standard and metric scales: 0-300 lbs psi and 0-2100 KPa17 inch high-pressure flexible oil-and grease-resistance hose14mm and 18mm ends fit most spark plug openingsAvoid such issues as engine damage, poor gas mileage, performance problems, and high repair costs by using a diagnostic tool from Actron when your check engine light turns on. There are three common types of diagnostic tools that can help you in determining an issue when your check engine light is on:A Scan Tool can be used to read and erase trouble codes, display, record and play back LIVE diagnostic data and perform other tests allowed by the vehicle maker. We have scan tools that cover vehicles 1982 to present depending on required coverage. All Actron Scan Tools are CAN compliant.A Code Reader can be used to read and erase diagnostic trouble codes as well as other additional features depending on the tool. These tools work on all vehicles 1996 and newer. All Actron Code Readers are CAN compliant.A Code Scanner reads diagnostic trouble codes generated by the vehicle's system. Codes are displayed on the vehicle's dashboard and/or identified through audio prompts. These products work with 1981-1995 vehicles. Most Electrical and Wiring products are available for in-store pickup from Advance Auto Parts. |
| | OTC OTC5606 Compression Tester Kit $111.74 Features and Benefits:. Corrosion resistant nickel plated finish. Adapters work on both flat and tapered seat plugs. Extra long 25 flex hose gauge assembly with quick coupler allows easy viewing out of cluttered engine compartment. 21/2 gauge features chrome bezel and rugged protective outer boot. Dual scale gauge reads 0300 psi and 02100 kPa. Designed for complete compression testing on gasoline engines including domestic imports motorcycles marine and small engines. Unique problem solving features for today s limited space engine compartments. Also includes 12 flex 14mm standard reach 12 flex 14mm long reach 10mm 12mm and 18mm thread adapters and a repair parts kit all packaged in a rugged blow molded hard case with removable lid.. nbsp; |
| | CTA Universal Compression Tester Kit $62.95 Test compression from lawn mowers to trucks Includes: 8? (20cm) flex hose with 14 & 18mm threaded end 10, 12 & 14mm long adapters Straight extension, offset and straight adapters with tapered cones Gauge head with pressure release valve and threaded end Gauge head is 2-1/2? (64mm) diameter with dual calibration (0-300 PSI / 0-21 kg/cm?) |
| | MityvAC MV5535 Diesel Digital Compression Tester Kit $257.81 Digital diesel compression tester and six adapters fortesting the most popular modern car and light truck dieselengines available in the U.S.In addition to the outstanding electronics features thediesel tester includes a 15 (380 mm) long connection hosewith quickchange swivel and right angle coupler forreaching into tight spaces. A combination of two directinjector adapters and four glow plug adapters provides theversatility to test most Ford Dodge GM and Volkswagenautomobiles from the early 80s to current production models.Additional adapters are available to test virtually allcars trucks and heavy equipment.Professional grade adapters ensure leakproof seals. Quick disconnect coupler connections allow quick changes. Includes field service kit with replacement Schradervalves. Custom molded case securely retains each component. Works with Star Products adapters. Snapon conversion adapter available |
| | Sunpro Professional Compression Tester Kit - CP7828 $41.99 The Professional Compression Tester CP7828 measures cylinder compression to accurately diagnose your engine condition. It is compatible with virtually all standard spark plug threads and features a quick-disconnect coupler that separates the hose from the gauge for fast, easy connections to the engine. Also includes a push-button side-release valve that allows for repeated testing without disconnecting.Product Features:Includes 10 mm, 12 mm, 14 mm, 14 mm long-reach and 18 mm threaded adaptersIncludes repair kit with replacement O-rings and valvesEnglish and metric scales: 0-300 psi and 0-2100 kPaVinyl tool pouch for tool organization and protection. Most Electrical and Wiring products are available for in-store pickup from Advance Auto Parts. |
| | MityVac Professional Compression Tester $86.95 This comprehensive kit includes everything required to perform dry and wet engine cylinder compression tests commonly used to detect ring or cylinder head problems, sticking valves, blown head gasket(s), and more. Includes adapters for use on motorcycles, marine and small engines, and an air-hold adapter for performing valve seal repairs without removing the cylinder head(s). Not for use on diesel engines.Features:? Manual pressure release for maintaining peak readings? Professional grade threaded adapters for leak-proof seals? Extended hoses for hard to reach applications Large, easy to read 2 3/4'' (70 mm) diameter gauge? Adapters to fit engines as small as lawn mowers, chain saws and trimmers? Quick disconnect coupler for easy accessory changesIncludes:? 2 3/4'' (70 mm) gauge with high impact lens? Rubber boot? Four (4) scales of measure (psi, kg/cm2, bar, kPa), attached to 10'' (250 mm) long hose? Quick release coupler? 14 mm short-thread adapter with 6 1/2'' (165 mm) and 12'' (305 mm) long hoses? 14 mm long-thread adapter with 12'' (305 mm) long hose? 18 mm short-thread adapter with 12'' (305 mm) long hose? 14 mm short-thread x 18 mm long-thread adapter? 10 mm thread small engine adapter? 12 mm thread small engine adapter? Quick release air hold adapter? Custom blow-molded case? Field service kit? User manual (English/Spanish/French) |
| | Compression Tester $39.95 Tester checks cylinder compression from 0 to 300 PSI (0 to 21kg/cm2). Adapters fit 14 and 18mm spark plug holes and special air-hold valve is included to reset gauge easily. Tester has 16'' rubber hose and is a serviceable product.By K-D Tools. |
| | OTC Compression Tester Kit. 1 Kit $77.42 Manufacturer: OTC. 1 Kit. Features and Benefits: Corrosion resistant nickel plated finish Adapters work on both flat and tapered seat plugs Extra long 25"" flex hose gauge assembly with quick coupler, allows easy viewing out of cluttered engine compartm |
| | Star Products STATU3PB Universal Compression Tester $60 Features and Benefits: Adapters included: 14mm and 18mm short solid adapter 14mm and 18mm long flex adapter and 14mm long reach adapter Screwin adapters with orings provide professional accuracy Long flex 12 hose and adapters eliminate need to remove engine accessories to test compression Side release valve allows quick retesting of cylinder without removing adapter The 21/2 gauge has a dual scale dial with ranges from 0300 PSI and 021 barThis universal compression tester test compression on domestic and foreign cars and trucks with gasoline engines. This kit comes with adapters screw in adapters and a long flex hose. Also includes the instructions and specifications. It works great for any technician |
| | KD Tools Universal Compression Tester Kit. Each $51.66 Manufacturer: KD Tools. Each. Features Benefits: Gauge is graduated from 10 to 300 psi (0-21 Kg/cm2) Gauge assembly includes pressure relief valve Special air hold valve for ease in resetting the gauge This kit consists of a gauge assembly, an extensio |
| | OTC Compression Tester - OTC5603 $28.19 MPN #OTC5603. OTC Compression Tester. Most Shop Equipment products are available for in-store pickup from Advance Auto Parts. |
| | Lisle Compression Tester - LIS20250 $39.69 MPN #LIS20250. Lisle Compression Tester. Most Specialty Tools products are available for in-store pickup from Advance Auto Parts. |
| | OTC Compression Tester - OTC5020 $564.99 MPN #OTC5020. OTC Compression Tester. Most Shop Equipment products are available for in-store pickup from Advance Auto Parts. |
| | OTC Compression Tester - OTC5605SP $98.39 MPN #OTC5605SP. OTC Compression Tester. Most Shop Equipment products are available for in-store pickup from Advance Auto Parts. |
| | BWD Compression Tester - CST50 $119.99 MPN #CST50. BWD Compression Tester. Most Diagnostic Tools products are available for in-store pickup from Advance Auto Parts. |
| | Mityvac MY5530 23/4Compression Tester Kit $82.3 Full coverage kit automotive industrial marine andsmall engines.cylingers and valve train damage. Air hold quick connector allows the user to attach theair supply to perform valve stem seal replacement withoutremoval of the cylinder head. Heavyduty 23/4inch gauge with 10 whip hose gaugefeatures high impact lens rubber boot and three scales ofmeasure (PSI kg/cm2 and Bar) 6.5 14mm short thread hose 12 14mm short thread hose 12 14mm long thread hose 12 18mm short thread hose. 14mm female and 18mm long reach adapters. Small engine/Motorcycle adapters 10mm amp; 12mm Air hold quick connector adapter for applying and holdingair pressure in a cylinder. Comes in a blow molded case. |
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Bikeberry 80cc Bike Engine Kit Test
How do you pressure test the hoses in your car?
My bf mentioned there was a kit used to test the pressure in the hoses in your car, to figure out if there are leaks and they need to be replaced. He has been having some car issues, overheating, leakage in the hoses, etc. I would like to get him this kit but would like to make sure I am getting the right thing. Please help. Autozone gave me a compression tester but I am not sure if that is the right kit.
If you're referring to the coolant system there is an adapter that fits in place of the radiator cap and has an attachment for a pump and pressure gauge. You use it to pressurize the cooling system, hoses and all to test for leaks. The compression tester is for testing the engine compression. Take it back and tell them you want to pressure test the cooling system.














